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Trigonometry
Page 5
Questions (13,514)
After flying at an altitude of 9 kilometers, an airplane starts to descend when its ground distance from the landing field is
4 answers
asked by
Anonymous
1,548 views
At night, a security camera pans over a parking lot. The camera is on a post at point a which is 53m from point c and 71 m from
4 answers
asked by
Gary
842 views
a tree growing on a hillside casts a 102-foot shadow straight down the hill. Find the vertical height of the tree if, relative
4 answers
asked by
jc
2,561 views
Use the related acute angle to state an equivalent expression:
a) tan 110 degrees b)sin 350 degrees
5 answers
asked by
Emily
2,586 views
The angle of elevation of the top of a flagpole from a point on the level ground is 30degrees. From another point on the ground
4 answers
asked by
Marydez
2,427 views
From a point on the ground 25 ft. from the foot of the tree, the angle of elevation of the top of the tree is 32 degrees. How do
4 answers
asked by
Joy
2,687 views
two wires support a pole in opposite directions. they make angles of 36° and 42° with the horizontal, and the points where
2 answers
asked by
kenneth
535 views
A 25-foot rope is tied to the top of a 8-foot vertical pole. If the rope is pulled tight what is the angle of elevation formed
1 answer
asked anonymously
95 views
Which is the radian measure of an angle whose sine is 0.8? Round your answer to two decimal
places. (1 point) 0.93 4.06 -2.22
1 answer
asked by
Unknown
34 views
prove (cscx-secx/cscx+secx)=(cotx-1/cotx+1)
4 answers
asked by
Bud
4,630 views
What are the graphs of y = cos x and y = sec x in the interval from -2pi to 2pi?
7 answers
asked by
Anny
5,348 views
A beam rests against a wall, forming a 50 degree with the floor. Use the function y=9 sec 0 to find the length of the beam to
10 answers
asked by
Kathryn
6,442 views
An airplane is flying with a heading of 60 degrees east of north at 450 mph. A wind is blowing at 37 mph from the north. Find
4 answers
asked by
jen
3,285 views
Find cos theta and cot theta if sin =1/4 and tan theta <0
4 answers
asked by
Shay
5,328 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
4,769 views
an airplane flying at 550 miles per hour has a bearing of N 52(DEGREES)E. After flying 1.5 hours, how far north and how far east
5 answers
asked by
sara
5,848 views
Express in functions of theta:
a. sin ( 810- theta) b. cot ( theta - 360) c cos (-180- theta)
5 answers
asked by
Fern Angel
3,182 views
Angle a lies in the second quadrant and sina=7/25.
a) Determine an exact value for cos 2a b) Determine an exact value for sin 2a
5 answers
asked by
Anonymous
3,172 views
Theta = x
Question: Given angle x, where 0degrees <= x <= 360 degrees, solve for x to the nearest degree. b) sin(x + 20degrees) =
4 answers
asked by
Kwamette
1,899 views
a ferris wheel 15m in diameter makes 1 revolution every 2 minutes. If the center of the wheel is 9m above the ground, how fast
4 answers
asked by
Adler
3,250 views
8sin^2x+sinxcosx+cos^2x=4
5 answers
asked by
LiNnda
2,157 views
From two different tracking stations, a weather balloon is spotted from two angles of elevation, 57degrees and 83 degrees,
7 answers
asked by
Sonia
4,866 views
i dontget how the textbook got the answer, h = -30cos[(1.43)x]° + 40
the question is: a paintball is shot at a wheel of radius
6 answers
asked by
pranav
2,981 views
cos(2tan^-1(15/8))
4 answers
asked by
Amanda
1,763 views
A water tower is located x = 375 ft from a building (see the figure). From a window in the building, an observer notes that the
4 answers
asked by
Beth
10,118 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
1,092 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
1,098 views
what is the missing value to the nearest hundredth?
tan [] = 12 I really need some help. I don't understand this :(
7 answers
asked by
Leah
4,327 views
If sin p=3/5 and p is an acute angle what's the value of tan p
5 answers
asked by
Rejoice
818 views
If tan(x)= -(3/4) and x is obtuse, evaluate sin(2x).
How do I get started on this question?
5 answers
asked by
Lucy X
1,536 views
A tree and a flag pole are on the same horizontal ground, A bird on top of the tree observes the top and bottom of this flag
5 answers
asked by
Edwin
2,323 views
if sin p = 3/5 and p is an acute angle, what is the value of tan p.
10 answers
asked by
Sofa
4,501 views
From the top of the control tower 250 m tall, an airplane is sighted on the ground below. If the airplane is 170 m from the base
7 answers
asked by
Daniela
3,728 views
A surveyor sights two signs and the angle between the two lines of sight measures 55. If the first and the second signs are 70 m
6 answers
asked by
Jane
6,463 views
The graph of a trigonometric function oscillates between y=1 and y=-7. It reaches its maximum at x= pi and its minimum at x=3pi.
6 answers
asked by
Benji
4,711 views
angle x lies in the third quadrant and tanx=7/24
determiner an exact value for cos2x determiner an exact value for sin2x
4 answers
asked by
Anonymous
2,993 views
A man 1.5m tall is 15m away from a tower 20m high.What is the angle of elevation of the top of the tower from his eyes?
6 answers
asked by
Helen
2,474 views
the angle elevation of the top of a cliff from point p is 45 from a point Q which is 10m from P towards the root of the cliff
6 answers
asked by
Anonymous
2,219 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
4,220 views
Howard is flying a kite and wants to find its angle of elevation. The string on the kite is 32 meters long and the kite is level
3 answers
asked by
allexelle
1,555 views
Two walkers set off at the same time from a crossroad and walk along flat straight roads inclined to each other at 68 degrees.If
6 answers
asked by
Shane
973 views
8sinxcosx=1
I don't know where to go after 2sinxcosx=1/4
5 answers
asked by
Lily
1,813 views
1. In ABC, A is a right angle, and m B=45*.
Side CA also has a length of 17ft just to let everyone know. What is the length of
5 answers
asked by
Tim
6,435 views
A kite is flying 10ft off the ground. Its line is pulled taut and casts an 8ft shadow. Find the length of the line. If
4 answers
asked by
Gage
1,146 views
the angle of elevation of the sun is 27 degree.a man is 180cm tall.how long is his shadow?give your answer to the nearest 10cm.
7 answers
asked by
kamal
2,877 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
853 views
A ladder of length 5.8m is placed against the wall so that the foot of the ladder is 3.6m from the wall. Calculate the angle the
7 answers
asked by
Ifeoma
1,236 views
from a point R,300M north of P, a man walks eastwards to a place Q which is 600m from P. find the bearing of P from Q correct to
5 answers
asked by
favs
715 views
An airplane flys at a constant altitude of 2 miles and a constant speed of 600 miles per hour on a straight course that will
5 answers
asked by
Hailey
10,670 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
24,801 views
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