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Trigonometry
Page 2
Questions (13,438)
If tan(1/2 x)=b express tanx in terms of b
5 answers
asked by
Philip
1,610 views
Which trigonometric functions are equivalent to tan(theta)? Select all that apply. (2 answers)
a. -tan(-theta)**** b. -tan(theta)
5 answers
asked by
girly girl
4,424 views
A ship leaves port and travels 21km on a bearing of o32 degrees and then 45km on a bearing of 287 degrees.
a. calculate its
10 answers
asked by
Simon Silas Bako
12,638 views
A grandfather clock shows a time of 7 o’clock. What is the exact radian measure of the angle between the hour hand and the
4 answers
asked by
collard
5,582 views
1. A man stands 12 feet from a statue. The angle of elevation from the eye level to the top of the statue is 30 degrees, and the
5 answers
asked by
Mz. Suzie
4,340 views
A tree is on bearing s 36° w from a point x and s 78°w from a point y. If x is 200m due east of y . calculate the distance of
5 answers
asked by
Michael
996 views
Bobby is standing near a lighthouse. He measured the angle formed from where he stood to the top of the lighthouse and it was 30
6 answers
asked by
Isis
2,210 views
the distance from you to the base of a tower on top of a hill is 2760 ft. the angle of elevation of the base is 26 degrees the
5 answers
asked by
adiba
1,146 views
A plane is located at C on the diagram. There are two towers located at A and B. The distance between the towers is 7,600 feet,
8 answers
asked by
SkatingDJ
6,268 views
A right triangle’s hypotenuse is 20 cm long. What is the length of the side opposite a 60° angle? Give your answer to the
5 answers
asked by
Sandra
1,573 views
Explain why domain restrictions for inverse trigonometric functions are necessary?
I’m having trouble understanding this topic
4 answers
asked by
Benny
5,205 views
Cate is sailing her boat off the coast, which
runs straight north and south. Her GPS confirms that she is 8 km from Haytown and
5 answers
asked by
Anthony
1,272 views
the angle of elevation of the top of a radio mast from a point due east of it and 96m away from its base is 30degrees. from
13 answers
asked by
Joan
4,379 views
1. For ABC what is the value of cosC.
adjudant= 54 hypotnuse=90 opposite=72
5 answers
asked by
Hi Timmy
1,482 views
What graph is traced by the equation (x, y) = (5sin 12t , 6−5 cos 12t)?Think of another equation that will produce the same
4 answers
asked by
sally
2,059 views
If two angles are supplementary, then their sines are equal. Explain why. What about the cosines of supplementary angles? If you
5 answers
asked by
sarah
3,217 views
Which angle between 0° and 360° has the same cosine as the angle 58°?
give your answer as an integer. how do i do this please?
10 answers
asked by
susan
19,745 views
A man whose eye is 120 m above the ground is standing 8 m from a 7 m tall.What is the angle of elevation of the top of the tree
5 answers
asked by
Justina
860 views
For the acute angles in a right triangle, sin (4x)° = cos (3x + 13) °. What is the number of degrees in the measure of the
5 answers
asked by
John Anderson
8,577 views
From the top of a 90 m lighthouse, an operator sees a capsized boat and determines an angle of depression of
12.5° to the boat.
1 answer
asked anonymously
121 views
A cruise ship travels 310 miles due east before turning 20°
north of east. It travels 150 miles along its new course. How far is
1 answer
asked anonymously
95 views
Circle O below has radius 1. Eight segment lengths are labeled with lowercase letters. Six of these equal a trigonometric
5 answers
asked by
Human
5,764 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
5 answers
asked by
Sonny
2,706 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
4,110 views
1) The hour hand on a clock has a length of 12 cm. Let the orgin be at the center of the clock.
a) Sketch the graph of the
4 answers
asked by
Kristien
2,694 views
Given any right triangle with an acute angle theta, a) Explain why csc theta is always greater than or equal to 1
b) Explain why
5 answers
asked by
Emily
3,048 views
A ladder 20m long rest against a vertical wall so that the foot of the ladder is 9m long. Find correct to the nearest degree the
10 answers
asked by
Jeremiah
4,530 views
Given the trigonometric function y = tan x, find the x-coordinate of the point (3pi/4, ?)
a) -1 b) root 2 c) c d) 1/root 2
5 answers
asked by
Anonymous
1,556 views
A ranger spots a forest fire while on a 45-meter observation tower. The angle of depression from the tower to the fire is 12
9 answers
asked by
Anna
2,333 views
A communications tower is located at the top of a steep hill, as shown. The angle of inclination of the hill is 58°. A guy wire
4 answers
asked by
Liz
11,684 views
Two buildings are 30 ft apart. The angle of elevation from the top of one to the top of the other is 19°. What is their
4 answers
asked by
Stacey
2,095 views
sin(θ − ϕ);
tan(θ) = 5/12 θ in Quadrant III, sin(ϕ) = − sqaure root 10/10 ϕ in Quadrant IV I tried this numerous times
7 answers
asked by
Rachel
7,068 views
Determine the exact value of cos 465 degrees
a) √3 + √2/2 b) √2 + √3√2/4 c)√2 - √3√2/4 d)2+√2-√3√2/4
5 answers
asked by
Melinda
5,186 views
The lengths QR, RP, and PQ in triangle PQR are often denoted p, q, and r, respectively.
What do the formulas 1/2 pq sinR and 1/2
5 answers
asked by
sarah
3,763 views
Verify the identity: sin(A+B)/sin(A-B) = tan(A)+tan(B)/tan(A)-tan(B) Explain steps
6 answers
asked by
T
2,835 views
A kite 100 ft above the ground moves horizontally at a speed of 10 ft/s. At what rate is the angle (in radians) between the
4 answers
asked by
heather
11,844 views
1. Let (-7, 4) be a point on the terminal side of (theta). Find the exact values of sin(theta), csc(theta), and cot(theta).
2.
30 answers
asked by
Kandee Johnson
17,623 views
A boy Walk 1260m on a bearing of 120degree. How far south is he from his starting point
5 answers
asked by
Taiwo Roland
887 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
4,708 views
Find the period and the amplitude of the periodic function
y=3cos 4x
5 answers
asked by
kenny
4,681 views
A boy 1.5m tall is 15m away from a hut 24m high.what is the angle of elevation of the top of the hut
7 answers
asked by
PRECIOUS
2,403 views
The Angle Of Depression Of the Top And The Foot Of A flag Pole As Seen From The Top Of A buildings 145 Meters Away Are 26Dgree
7 answers
asked by
Kaleab Yhedego
2,692 views
If the shadow of a building increases by 10 meters when the angle of elevation of the sun rays decreases from 70o to 60o, what
7 answers
asked by
Allison
8,921 views
A slide 4.1 meters long makes an angle of 35 degrees with the ground. To the nearest tenth of a meter how far above the ground
10 answers
asked by
Brandon
19,969 views
From the top of a cliff 200m high, and the angle of depression of a boat at sea is 35 degree. Find the distance between the boat
4 answers
asked by
Funke
880 views
Prove that the equation is an identity.
cos x - cos 5x= 4 sin 3x sin x cos x
3 answers
asked by
Anonymous
1,110 views
A person gets on a Ferris wheel at the starting point. The starting point is 15 feet off the ground. The Ferris wheel has a
1 answer
asked anonymously
71 views
Consider the trig equation:
4sinxcos2x + 4cosxsin2x - 1 = 0 in the Interval [0, 2 pi] Either show that there is no solution to
4 answers
asked by
Anonymous
2,953 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
2,958 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
2,380 views
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