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Trigonometry
Page 4
Questions (13,704)
Evaluate 2 tan 240 + 3 cos120 leaving your answer in a surd form
4 answers
asked by
Betty
182 views
P and Q are two observation posts on the same horizontal ground as the foot R of a vertical pole RT. P is 2.5km south of R. Q is
5 answers
asked by
Thompson
1,514 views
3/5 of a revolution represents approximately how many radians?
Question 12 options: 6.28 3.14 3.77 108.00
5 answers
asked by
mike
5,708 views
Find an angle between 0 & 360 degrees that is coterminal 820 degrees.
4 answers
asked by
Dennis
3,053 views
A light air craft takes off flying die north then turns and flies 11 000 metres due west.The plane then has a bearing of 340
5 answers
asked by
Shane
1,326 views
Observers at P and Q are located on the side of a hill that is inclined 32° to the horizontal, as shown. The observer at P
4 answers
asked by
e
4,233 views
Sam and markus are standing on level ground 100m apart. A large tree is due north of markus and on a bearing of 65degrees from
5 answers
asked by
putri
3,679 views
find the minimum height above the surface of the earth so that the pilot at point a can see an object on the horizon at c 125
5 answers
asked by
ellen
3,002 views
If θ is an angle in standard position and its terminal side passes through the point (-1,3), find the exact value of
5 answers
asked by
Anonymous
14,581 views
Find the missing value to the nearest hundredth.
tan (?) = 15
6 answers
asked by
anon
2,557 views
a boy standing 70m away from a flag post observe that the angle of elevation of the top and bottom of a tower on top of the flag
7 answers
asked by
Tundr
4,758 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
1,467 views
Find the angle of elevation of the flagpole's top, 31.9m high, from a point 55 m away on ground level.
4 answers
asked by
Anonymous
864 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
3,041 views
A 12 foot ladder leans against the side of a house the bottom of the ladder is 8 feet from the side of the house how high is the
10 answers
asked by
Shawna
24,820 views
If k = 2π/45, what is the period?
5 answers
asked by
Muneer
2,493 views
A ladder 5 meter long leans against the wall of an apartment house forming an angle of 50 degrees, 32 minutes with the ground.
4 answers
asked by
Roy
5,470 views
let theta be an angle of quadrant IV such that sin theta = -8/9 find the exact value of sec theta and cot theta?
5 answers
asked by
JOHNNY
5,620 views
The Angle of depression of Boat A from the top of a cliff which is 32 m high is 24 degree 15 minutes .The angle of depression of
5 answers
asked by
Mariel
3,038 views
We can find some of the solutions of
sin x = 0.2 graphically by graphing y = sin x and y = 0.2 (I was able to figure this one
4 answers
asked by
Angela
3,813 views
john is 80m west of patrick .they are both observing a tall tree that is on a bearing of 030 from john and 290 from patrick.
4 answers
asked by
mercy
265 views
A ladder 25 feet long is leaning against a vertical wall. If the bottom of the ladder is pulled horizontally away from the wall
4 answers
asked by
Squidward
2,017 views
If the shadow of a tree increases by 3 meters when the angle of elevation of the sun’s rays decreases from 65°to 50°, find
4 answers
asked by
Hanna
660 views
find the period, amplitude and phase angle of the function 2y=3 sin(1/2x-60)
4 answers
asked by
meee
487 views
Find the missing value to the nearest hundredth.
tan =38 Find the missing value to the nearest hundredth. sin=8/32
3 answers
asked by
shellie
1,515 views
In ∆XYZ, XY=14, YZ=22, and XZ=28. What is the measure of angle Z to the nearest degree? * Law of Cosines
5 answers
asked by
Steve-o
1,186 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
:)
3,354 views
How to draw a a point x is 34m due east of point y. The bearing of a flag pole from x and y are N 18 W and N40E respectively.
4 answers
asked by
Elechi chukweemeka
1,402 views
If a boat is travelling 25° south of straight east, what is its true bearing?
3 answers
asked by
Gabe
402 views
a special right triangle drawn in quadrant I intersects the unit circle at point (x,y) where y = √2/2. what is the value of x
1 answer
asked anonymously
174 views
A special right triangle drawn in Quadrant 1 intersects the unit circle at point (x, y) where y = 2√2
. What is the
1 answer
asked anonymously
195 views
Find the missing value to the nearest hundredth. cos ________ = 815 (1 point) Responses 57.77 57.77 1.00 1.00 .53 .53 28.07
1 answer
asked anonymously
56 views
Use the stated variant of the Law of Cosines, a2=b2+c2−2bc⋅cosA , to find the value of angle A in a right triangle, where
1 answer
asked anonymously
53 views
What is the missing value to the nearest hundredth?
tan box = 7 (1 point) Responses 54.94° 54.94° 56.94° 56.94° 81.87°
1 answer
asked anonymously
65 views
Use the graph to answer the question.
Which set of parametric equations represents the graph of the function shown? (1 point)
1 answer
asked anonymously
43 views
4. Asked to simplify the expression sin(180−è), Rory volunteered the following solution:
sin(180−è) = sin 180−sin è,
4 answers
asked by
sally
2,984 views
Given that 3cos2x + 17sinx = 8, find the exact value of sinx .
5 answers
asked by
Sarah
809 views
1. At which values of x does the graph of f(x)=cos x intersect the x-axis? Select all that apply. (2 answers)
a. 0*** b. pi/2***
9 answers
asked by
girly girl
4,786 views
Determine two angles between 0°and 360°that have a secant of -4. Round your answers to the nearest degree.
There are tw answer
4 answers
asked by
Priya
2,394 views
You are standing at the peak of a mountain that is 14000 feet above sea level. The angle of depression from this peak to a
5 answers
asked by
Sarah
1,952 views
Express in functions of theta:
a. sin ( 810- theta) b. cot ( theta - 360) c cos (-180- theta)
5 answers
asked by
Fern Angel
3,195 views
The angle 2x lies in the fourth quadrant such that cos2x=8/17.
1.Which quadrant contains angle x? 2. Determine an exact value for
5 answers
asked by
Halle
4,615 views
evaluate cot 290. Round your answer to the nearest hundrth
11 answers
asked by
me
84 views
Which value for x is a solution to cosx = sqrt of 2/2?
a) -9pi/4 b) 3pi/4 c) -3pi/4 d) 4pi/3 What is the first step I should do?
4 answers
asked by
Jake
747 views
Evaluate the expression without using a calculator (Make a sketch of a right triangle)
tan(arccot 2) Thanks in advance! I'm
4 answers
asked by
Ray
1,099 views
Angle of elevation from the sun is 45 degree.a tree has a shadow 12m long.find the height of this tree.
4 answers
asked by
Ebi asawo
1,105 views
a right triangle has an acute angle(theta) suck that cot(theta)=15. find cos(theta)
4 answers
asked by
brenna
2,476 views
A boy 1.4m tall stood 10m away from a tree of height 12m. calculate, correct to the nearest degree, the angle of elevation of
5 answers
asked by
Mark
1,898 views
If an object travels in a circle 32pi/5 radians, at what degree measure is it, relative to where it started?
a) 1052° b) 144°
10 answers
asked by
Jake
4,131 views
the shadow of an electric pole is 5m long when the angle of elevation of the sun is 60 degree .find the length of the shadow
7 answers
asked by
Anonymous
4,155 views
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