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Sine Precalculus Trigonometry Math Help

02/12/17

Find the amplitude and the period of the function?

y=-5 sin(2x)

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Sine Precalculus Trigonometry Pi

02/12/17

find the exact value?

sin 450°, cos(-780°), and tan (37π/6)

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Sine Precalculus Math Help Expression

02/06/17

Find the exact value of the expression.

sin((pi)/(6))cos((pi)/(3)) - sin((pi)/(3))cos((PI)/(6))

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Sine

01/09/17

Harley is building a model of a city map.

In one part of the city, three roads form a right triangle, which Harley draws as triangle ABC, with the following measures: m∠B=90° and m∠A=30°. In his scale model, the hypotenuse of triangle ABC,... more

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Sine Math Help Cosine

12/10/16

What's the value of x?

What's the value of x if pi≤x≤3pi/2 and sin x=5 cos x?

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Sine Simplify College Algebra Multiplication

12/03/16

Need to simplify

(CosA-cosB)2 + (sinA-sinB)2 Can someone help me solve this? and what steps do we take ?

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Sine Math College Algebra Feet

12/02/16

find the formula for maximum height and find a sin function

the path traveled by an object (neglecting air resistance) that is projected by an initial height of h0 feet, an initial velocity of v0 feet per second and an initial angle theta is given by... more

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Sine Simplify Expression Multiply

12/01/16

simplify the expression (sinAsinB)(cosAcosB)

simply simplify the expression. i have to find out if my answer i have is right or wrong

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Sine Precalculus Half Angle Formula

11/27/16

How do I know what quadrant u/2 is if u is in quadrant 3?

I know how to use the half-angle formulas but I don't know how to find out which quadrant u/2 is in based off of what quadrant u is in.

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Sine

11/11/16

Find all solutions to the equation sin(x-1)=.25 for o<x<2)3.14

Sin problem

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Sine Math Help Triangles

10/21/16

What's the length of KL in inches?

If triangle JKL, sin L=1/3, sin J=3/5, and JK=√5 inches. What's the length of KL in inches?

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Sine Trigonometry Degrees Tangent

08/30/16

trigonometry question

A ladder leans against a wall with its foot 1.5 metres from the wall making for an angle of 45º36' with the ground. How long is the ladder?

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Sine Calculus Derivatives Cosine

06/26/16

use version 2 of the chain rule to calculate the derivative of the following function

y=cos^4 *x+sin^4 *x

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Sine Math Trigonometry Circle

06/23/16

Finding the distance from ceiling to each point in the clock and finding an equation with cosine or sine

2) Clock #2: A clock has a radius of 6 inches. The center is 14.5 inches below the ceiling. Measure the distance from the ceiling to the tip of the hour hand at each hour beginning at 12 (which is... more

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Sine Radians Law Of Sines Cosine

05/28/16

Solve for 2cos-sin^2x=cos^2x over the interval [0,2pi)

Solve for 2cosx - sin2x= cos2x over the interval [0,2pi) 1.) x=pi/6 and 11pi/6 2.) x=5pi/6 and 7pi/6 3.) x=2pi/3 and 4pi/3 4.) x=pi/3 and 5pi/3

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Sine Precalculus Trigonometry Math Help

04/28/16

Solve sin^3x=sinx

I'm having some trouble solving this problem, can someone please explain the steps for me...

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Sine Trigonometry Vector Tangent

03/17/16

Trig Vector Question, What is the ground speed of the plane?

An airplane has an airspeed of 500 kilometers per hour bearing N45°E. The wind velocity is 60 kilometers per hour in the direction N30°W. Find the resultant vector representing the path of the... more

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Sine Cosine

03/11/16

Cosine x= sine(x+20)

The question is asking to find the value of x if Cosine x = sine (x+20)

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Sine Trigonometry Angles Trigonometric Functions

03/10/16

TERMINAL SIDE: lines & trigonometric functions

Find sin (angle) if the terminal side of (angle) is in the third quadrant on the line y=1/2x

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Sine Algebra Modeling With Equations

02/05/16

Finding alpha to model a sinusoidal wave

I am modelling a graph in the form y = Asin(ωt +α) +c, but I have got stuck on calculating alpha. So far I have calculated... the central line is at y=100 A = 24 period = 38 ω = 360/38 =... more

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Sine Word Problem Math Help Pre Calculus

01/13/16

Graphing Trig Functions & Inverses

Determine the Amplitude: f(x) = 5 sin (4x) a. 5 b. pi/5 c. 4 d. pi/4 Determine The Period: f(x) = -2cos(2x-90) a. 180 b.45 c. 4 d. pi/4 what is the horizontal shift for the graph of:... more

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