622 Answered Questions for the topic Trig

05/19/21

An object moves in simple harmonic motion with period 6 minutes and amplitude 19m. At time t =0 minutes, its displacement d from rest is −19m, and initially it moves in a positive direction.
Give the equation modeling the displacement d as a function of time t .
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05/16/21

Can someone help me on this triangle similarity question, I'm lost.
Given: line MQ || line OPProve: triangle MNQ ~ triangle PONStatements: line MQ || line OP angle QMN = angle OPN triangle MNQ ~ triangle PON Reasons: Given vertical angles
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05/12/21

Let sin(x)= -4/5 in quadrant 4 and let tan(y)= -5/12 in quadrant 2
Find sin (x-y)Find cos (x+y)Find cos (x/2)Find tan (2x)Find cos (2y)
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05/12/21

Use law of sines to find the other two angle measurements as well as the 3rd side.
side a: 3.5 inchesside b: 3.5 inchesside c: ?< A: 22 degrees< B: ?< C: ?
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05/11/21

find the area of the triangle by using either herons formula or the area = 1/2 a b sin C formula
i have to look for and take a picture of a triangle and turn the angle into an oblique triangle. I have to find the area of the triangle by using either herons formula or the area = 1/2 a b sin C... more
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Trig Identities

05/05/21

Simplifying trig identities
Simplify using trig identitiescsc(x)-cot(x)/sec(x)-1
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05/03/21

Use the given point on the terminal side of angle Θ to find the value of the trigonometric function indicated.
Here is all that is given: csc Θ ; (2√5,4)
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05/03/21

If the solutions are x=i , -i , -4 , 1 what is the equation?

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05/01/21

Pythagoream Identities

Use Pythagorean identities to simplify.'A. Find sin x if cot x= sqrt3/2 and cos x < 0B. Find cot x if cos x= 1/7 and sin x <0
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05/01/21

2 points) Express the headwind’s direction and speed as a vector. Give your answer in ai+ bjform.
A plane’s bearing is S 33oE and is going 600mph. A 75 mph headwind is blowing in the direction N 76oW. Assume that the pilot has not taken the wind into account and has not corrected the course.... more
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05/01/21

a) (2 points) Express the plane’s direction and speed as a vector. Give your answer in ai+ bjform.
A plane’s bearing is S 33o E and is going 600mph. A 75 mph headwind is blowing in the direction N 76o W.Assume that the pilot has not taken the wind into account and has not corrected the course.... more
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04/30/21

Factor 8 sin ^2 (x) + 2sin(x)-3=0
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04/30/21

Use Signma Notation to Write the Sum

Use Signma Notation to Write the Sum: 1/(3*2) + 1/(4*3) + ... + 1/(8*7)Please show your work, thanks!!
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Trig

04/29/21

Solve cos(x) = 0.23 in the interval 0 ≤ x ≤ 360°
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04/23/21

A boat on a river travels between two points, 50 miles apart, in one hour. The return trip against the current takes 2 1/2 hours.

A boat on a river travels between two points, 50 miles apart, in one hour. The return trip against the current takes 2 1/2 hours. What is the boat's speed in still water? How fast does the current... more
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04/21/21

If the height of a triangular pyramid is 8 and the slant height is 10, then what is the base edge length and lateral edge length??
I NEED THIS ANSWERED FAST!!!!PLEASE HELP
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04/21/21

If the height of a triangular pyramid is 8 and the slant height is 10, then what is the base edge length and lateral edge length??
I NEED THIS ANSWERED FAST!!!!PLEASE HELP
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04/21/21

For a rectangular prism with a length of 10, height of 3 and the Lateral Surface area as 108. What is the width, total area and volume??
PLEASE I NEED THIS ANSWERED ASAP!!!
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04/21/21

How do you prove sin x - csc x / cos x - cot x = cos x / 1- sin x
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04/20/21

If the polar coordinate is (3, pi/2), then the x-y coordinate is ( ? ).
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04/18/21

Trigonometry Word Problem About Forces acting on a point
Forces of 15 and 24 kg act on a point at an angle of 62owith respect to each other. Find the magnitude of the resulting force and the angles the resultant force makes with the given forces.
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04/18/21

Trigonometry Word Problem
A helicopter flies from the airport on a course with a bearing of 34 degrees. After flying for 50 miles, the helicopter changes course and flies on a bearing of 162 degrees. The helicopter flies... more
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04/12/21

I need help with maths. How do i insert that image? Its trigonometry.

Help. I need help with maths. How do i insert that image? Its trigonometry.
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04/12/21

I need help with maths. How do i insert that image? Its trigonometry.

Help. I need help with maths. How do i insert that image? Its trigonometry.
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04/12/21

I need help with maths. How do i insert that image? Its trigonometry.

Help. I need help with maths. How do i insert that image? Its trigonometry.
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