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Trigonometry
Page 11
Questions (13,157)
s(teta) = h sin (90-teta)/ sin(teta)
where h is height of the pole a) Express s(teta) as a single trigonometric expression. b) At
1 answer
asked by
Ashley
95 views
Use fundamental identities and or the complementary angle theorem to find the value of the expression: tan 55°-cos 35°/sin
3 answers
asked by
Ted
1,775 views
An airplane flies 180 miles from point A in the direction 120 degrees and then travels 210 degrees for 80 miles. Approximately
7 answers
asked by
Meranda
956 views
Zola can see the top of 180m cell phone at an angle of elevation of 32 degrees, and Naeem can see it an angle of elevation of 50
2 answers
asked by
Luisa
803 views
From a tower 36m high situated on one side of a river, the angle of desperation of the opposite side of the river is 25 degree.
3 answers
asked by
cendemie
608 views
The radian measure of an angle of 182 degrees is ?
2 answers
asked by
tyler
873 views
find all solutions of each equations
a) cos2x=square root of 3/2 b)cos 2theta/3 =-1 c) cot 3 theta /2 = -square root of 3 d) sin
2 answers
asked by
ama
582 views
What two common identities are most useful for simplifying 2tanx/sin^2x + cos^2x - tan^2x?
Two identities are: sin^2x + cos^2x =
1 answer
asked by
Melinda
463 views
Find the inverse function of F(x) = 2 arccosx
F-1(x)=
1 answer
asked by
jim
293 views
evaluate the trigonometric functions by memory or by constructing appropriate triangles for the given special angles.
a) csc 30
2 answers
asked by
Abbey
795 views
Simplify::::
sin (teta) cot (teta) = cos (teta)
3 answers
asked by
John
491 views
The captain of a ship at sea sights a lighthouse which is 260 feet tall.
The captain measures the the angle of elevation to the
2 answers
asked by
Vanessa
1,257 views
The training of a football team involves running up and down a sandhill 25 times. If the hill is 30 m high and inclined at an
3 answers
asked by
Rick
724 views
point P on the unit circle is given. what is the sine of the angle formed by a terminal ray that intersects the unit circle at
1 answer
asked anonymously
37 views
(3-4sin^2A)(1-3tan^2A) =(3-tan^2A)(4cos^A-3)
2 answers
asked by
Shreya
625 views
The angle of depression from the top of a lighthouse across the street is 65 degrees. the angle of depression from the top of
2 answers
asked by
Lilly
563 views
495
Find three coterminal angles: ____________ ____________ ____________ Standard position angle: Reference angle:
1 answer
asked by
Kels
521 views
Given cosine, theta, equals, start fraction, 2, divided by, 5, end fractioncosθ=
5 2 and angle thetaθ is in Quadrant IV,
1 answer
asked anonymously
61 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
155 views
Which of the following is the correctly set up trig ratio?
A. tan 37° = 12/x B. tan 37° = 12/x C. tan 37° = x/12 D. cos
1 answer
asked by
ssds
72 views
A boat is heading towards a lighthouse, whose beacon-light is 111 feet above the water. From point AA, the boat’s crew
1 answer
asked by
trose
40 views
A man is in a tree house 10 ft. above the ground. He is looking at the top of another tree that is 22 ft. tall. The bases of the
5 answers
asked anonymously
47 views
A tree that is 10 yards tall casts a shadow 14 yards long. Find the angle of elevation from the tip of the shadow to the top of
1 answer
asked anonymously
38 views
Cherry is flying a kit that is 27 meters above the ground. The angle formed with the string and the ground is 39°. How long is
1 answer
asked anonymously
26 views
a slide 4.1 meters long makes an angle of 35 with the ground to the nearest tenth of a meter how far above the ground is the top
1 answer
asked by
V
107 views
Cherry is flying a kite that is 27 meters above the ground. The angle formed with the string and the ground is 39°. How long is
1 answer
asked anonymously
13 views
The students in Mr. Collin's class used a surveyor's measuring device to find the angle from their location to the top of a
1 answer
asked anonymously
19 views
Use the Law of Sines to find the length of side c, to the nearest millimeter, if ∠A=72 degrees and side a=1,246 mm .
1 answer
asked anonymously
39 views
A boat sails 50km on a bearing of 080 degree, calculate how far north it travels?
1 answer
asked by
Raman
26 views
An angle in standard position intersects the unit circle at the point. (-1/2 , sqrt3 /2)
Which set of information about this
1 answer
asked anonymously
15 views
You have learned about the following topics: using the Pythagorean Theorem and its converse using properties of special right
1 answer
asked anonymously
18 views
Simplify the following expression to a single trigonometric function: sinsin(90° + − cossin(180° +
1 answer
asked anonymously
13 views
A child lies on the ground and looks up at the top of a 17-ft tree nearby. The child is 14 ft away from the tree. What is the
1 answer
asked anonymously
5 views
Two ships leave a harbor at the same time. One ship travels on a bearing S13°W at 15 miles per hour. The other ship travels on
1 answer
asked anonymously
4 views
evaluate sin^-1(negative square route of 3over2) in radians.
1 answer
asked by
Matt
417 views
simplify:
2sin35 deg times cos35 deg.
1 answer
asked by
Dom
385 views
factor:
3n^2+14n-5. I'm stuck! (3n -1 )(n + 5)
1 answer
asked by
Linda
376 views
Establish the identity:
(1 - cos^2 0)(1 + cot^2 0) = 1 No idea!
1 answer
asked by
Urgh
396 views
x square root of 2 + 3x =4 all over square root of 2
1 answer
asked by
Anonymous
310 views
Find a vector perpendicular to the plane containing the points (0,1,2),
(-2,2,4), and (-1,-1,-1) step by step
1 answer
asked by
Anonymous
375 views
This is not a school homework help. I am practicing for a test where one of the objective says "Applying trigonometric functions
1 answer
asked by
Brooke
389 views
Solve the following equation
tan (2x)+ sec (2x) = cos (x)+ sin (x) Thanks for your help
9 answers
asked by
Tommy
435 views
What are the steps in verifying that -ln|secx+tanx| = ln|secx-tanx|
Thanks
1 answer
asked by
Victoria
429 views
I can't figure out the answer to this problem
Tan(sec¯¹ [sq rt.x² + 4/x])
1 answer
asked by
Juilian
337 views
this is a propf and I need both sides to equal each other. Thanks this one stumped me.
sin^3x/(1-cosx) = sinxcosx+sinx
1 answer
asked by
Kathryn
398 views
How would you solve this using logarithims??
7^(x)=6^(x+7)
1 answer
asked by
Tony
369 views
Need help on interval notations, need more of a definition and understanding, please help!
1 answer
asked by
Stephanie
274 views
Help :
To achieve similar weightlessness as NASA's centrifuge, ride the Gravitron at a carnival or fair. The Gravitron has a
1 answer
asked by
Mags
365 views
State the amplitude of the following functions:
a) y = cos theta b) y = 1/2cos theta c) y = -2cos theta
1 answer
asked by
Brittany
383 views
What is the arcsin of (pi/2)?
1 answer
asked by
Anonymous
341 views
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