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Trigonometry
Page 7
Questions (13,517)
Jasmine is flying a kite. She lets out 86 feet of string. She takes the kite into the ground and measures the angle. The string
4 answers
asked by
Help me pls FAST
864 views
Find the fourth roots of
− 1/2 + (square root)3/2 i Write the roots in trigonometric form. A - w 1=cos(35°)+isin(35°) w2
3 answers
asked by
Lottie
1,899 views
A surveyor stands 150ft from the base of a tree and measures the angle of elevation to be 46.2. His eye level is 6feet above the
5 answers
asked by
BT
1,822 views
Two wires support an electricity pole. if the wires make angles of 58°and 67° with the ground and |AB|=21m, calculate the
7 answers
asked by
mishael
3,355 views
An aeroplane is flying horizontally directly towards the city at an altitude of 400 metres. At a given time the pilot views the
4 answers
asked by
Rick
4,372 views
a fire is sighted from two ranger stations that are 6000 meters apart. The angles of observation to the fire measure 52 degrees
4 answers
asked by
tareena
2,237 views
A kite flying at a height of 55m is attached to a string which makes an angle of 55 degrees with the horizontal. What is the
5 answers
asked by
Shredder
3,068 views
from the top of a vertical mast 150m high,two huts on the same ground level are observed. One due east and the other due west of
9 answers
asked by
Folorunsho
2,270 views
A ship sails on a steady course bearing 106 degrees from A to B.If B is 76 nautical miles further east than A,find,to the
5 answers
asked by
Shane
617 views
A hunter walks 400m Up a hill which slopes at an angle of 20 to the horizontal. Calculate,correct to the nearest metre, the:
a.
6 answers
asked by
Kaz
1,555 views
1.a ladder 9.6m long leans against the wall at a point 9m above the ground. find the distance of the foot.
2.a vertical fence
6 answers
asked by
Sofiat
1,438 views
To the nearest degree, determine the measure of angle X for each value of
tan X a. tan X = 0.49 Just not sure how to solve these
5 answers
asked by
David
5,446 views
The bearing of point A and B from a common point c are 030 and 290 respectively.find the bearing of a from b ,if a and b are
6 answers
asked by
Damilare
2,031 views
A salvage ship’s sonar locates wreckage at a 12 degree angle of depression. A diver is lowered 40 meters to the ocean floor.
6 answers
asked by
Anonymous
5,810 views
Solve the mathematics question:A town Q is on a bearing of 210 from P; R is another town on a bearing of 150 from P is east of
7 answers
asked by
Amaka
933 views
Use differentials (or equivalently, a linear approximation) to approximate sin(27 degrees) as follows: Let f(x) = sin(x) and
4 answers
asked by
Anonymous
2,443 views
a kite currently flying at an altitude of 16 meters above the ground. If the angle of elevation from the ground to the kite is
5 answers
asked by
jim
3,021 views
What is the first step. Explain please.
Which expression is equivalent to cos^2x + cot^2x + sin2^x? a) 2csc^2x b) tan^2x c)
6 answers
asked by
Jake
1,143 views
If cos A =1/3 with A in QIV find cscA/2
4 answers
asked by
Rick
1,425 views
The bearing of Q from P is 150 and the bearing of P from R is 015. If Q and R are 24 and 32 respectively from P. Calculate the
6 answers
asked by
cosky
2,589 views
Use the image to answer the question. Which ratio would be used to find x?
A.) tan (20*)=x/54 B.) tan (20*)=54/x C.) cos
4 answers
asked by
Roses
2,713 views
For how many values of x will the tangent lines to y=4sinx and y=x^2/2 be parallel?
A. 0 B. 1 C. 3 D. 4 E. Infinite Thanks.
4 answers
asked by
Anonymous
3,071 views
if y=cos^2x-sin^2x, then y'=
5 answers
asked by
John
3,239 views
The graph of y=tan x has vertical asymptotes at certain values of x because the tangent ratio is _____ at those values.
a)
4 answers
asked by
Anonymous
2,665 views
Surveying
A surveyor wishes to find the distance across a swamp. The bearing from A to B (Segment AB is opposite side of
5 answers
asked by
AwesomeGuy
7,637 views
A 10 ft. ladder is leaning against a building and makes an angle of 65 degrees with the ground. How high above the ground is the
5 answers
asked by
Randi
3,835 views
An observer (O) is located 660 feet from a tree (T). The observer notices a hawk (H) flying at a 35° angle of elevation from
4 answers
asked by
Jessie
4,141 views
A plane is heading due south with an airspeed of 211 mph. A wind from a direction of 53 degrees is blowing at 17 mph. Find the
4 answers
asked by
Michael
6,988 views
Use the rated acute angle to state an equivalent expression
Tan110 The answer is tan290. Why isn't it 70? Please explain
20 answers
asked by
Crystal
3,846 views
when the angle of elevation of the sun is 58degrees a vertical pole casts a shadow of length 5m on a horizontal ground .find the
6 answers
asked by
shekem
890 views
If 5cosA+3=0 and 180⁰<A<306⁰ determine by means of a diagram tan²A
4 answers
asked by
Bontle
436 views
A man can swim 2km/h in still water. Find at what angle to the bank he must head if he wishes to swim directly across a river
4 answers
asked by
Anonymous
1,975 views
a kite with a string 150 feet long makes an angle 45 with the ground, assuming the string is straight ,how high is the kite?
4 answers
asked by
shandy
4,196 views
Write the ratios for sin A and cos A. The triangle is not drawn to scale.
*right triangle. 14 on the side. 50 on the slant. and
11 answers
asked by
Anonymous
10,329 views
3) From two tracking stations A and B, 350 km apart, a UFO is sighted at C above AB making angle CAB = 32 degrees and angle CBA
10 answers
asked by
Crystal
1,664 views
A girl is standing 6m at thesame level with a tree of 8m . Calculate the distance from the top of the tree to where the girl is
3 answers
asked by
ajame
735 views
a 30 feet ladder resting against a building makes a 60 angle with the ground . find the Height from the ground at which the
4 answers
asked by
:)
3,337 views
A 25 ft ladder is leaning against a vertical wall. At what rate (with respect to time) is the angle theta between the ground and
4 answers
asked by
questioner
901 views
Y is 60km away from x on a bearing of 135 degrees. Z is 80km away from x on a bearing of 225 degrees. Find
a. The distance of z
4 answers
asked by
Blessing
713 views
From the top of a building 21.0 m tall, the angle of elevation of the top of a taller building is 46. The angle
of depression
4 answers
asked by
kms
3,713 views
The angle of depression from the top of a building of height 41metres of the stationary car is 52 degree.find the distance
6 answers
asked by
lomo
622 views
a hill slopes upward at an angle of 14 degrees with the horizontal ground.what height does the man reach when he has traveled
4 answers
asked by
ein
1,909 views
what is the reference angle for 17 pi/12?
3 answers
asked by
Brandon
2,670 views
The height h in inches of pistons 1 and 2 in an automobile engine can be modeled by h1 = 3.75sin(733t) + 7.5 and h2 =
3 answers
asked by
Jane
969 views
The vertical position, h, in metres, of a gondola on a Ferris wheel is modelled using the function
h = 10 sin ((pi/15) (t-d)) +
3 answers
asked by
-
2,416 views
The high level bridge, a railway bridge that crosses the Oldman River is over 1km long. From one point on the river, the angle
4 answers
asked by
garry
825 views
Suppose that a camera is fixed at (0,0) in the coordinate plane (measured in feet). An actor starts at (10,10) and moves down
3 answers
asked by
drain
461 views
Fire lookout towers are used to locate fires so they can be put out as soon as possible. These towers often work in networks and
3 answers
asked by
Sydney
1,332 views
From the foot of a building I have to look upwards at an angle of 22 degrees to sight the top of a tree. From the top of the
4 answers
asked by
liz
1,765 views
Matt measures the angle of elevation of the peak of a mountain as 35 degrees. Susie, who is 1200 feet closer on a straight level
3 answers
asked by
Alex
128 views
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