Newest Cosine Questions | Wyzant Ask An Expert

126 Answered Questions for the topic Cosine

Cosine Trigonometry

02/17/15

How do you input this on the scientific calculator

x=5/Cos40

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Cosine Trigonometry Trig Circles

02/03/15

Trig question

Assume cos t = .45 and cos w = .89, both t and w are positive values between 0 and 2pi , and both t and w determine a terminal point in quadrant 4. Which of the following statements best describes... more

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Cosine Sine

01/30/15

How high will the rider be at 15 seconds after getting on?

A Ferris wheel has a center 55 feet above the ground, and a radius of 48 feet. If it takes 50 seconds for one revolution, give the equation that represents the wheel and sketch a graph.

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Cosine Equation Function

01/26/15

Sine fuction

If the amplitude, is sqrt(21) and the period is (10/3)pi, what is the sine function equation f(x)= ?

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Cosine

11/29/14

Find the x-intercepts of the graph of the given function on the interval [0, 2p].

y = 1 − 2 cos x

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Cosine Function Sine Theta

10/24/14

Property of sine function and cosine function?

My teacher wrote that if theta one is any acute value such that sin of theta = k, then another value of theta which satisfies this is theta 2 = pi-theta one. And for cosine it is... more

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Cosine Solve Equation Pi Sine

10/21/14

Solve for x.

sqr(3)(sin(x))+(cos(x))=2 How do i get an answer of x = π/3 +2kπ, k=0,±1,±2,±3...(i.e.,...,-5π/3,π/3,7π/3,...) The π is pi

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Cosine Trigonometry Limits Substitution Method

10/17/14

Find the limit as theta approaches p/4

lim cosθ-(1/√2)/(θ-π/4) θ→π/4 I rewrote θ as h so I have lim which is cosh-(1/√2)/h-(π/4) h→0 I also know that the lim as h→0 of cosh-1/h is 0... more

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Cosine Calculus Sine Trignometric Functions

09/02/14

Find a formula, using the cosine function, for your height above ground after t minutes on the ferris wheel.

A ferris wheel is 6 meters in diameter and boarded in the six o'clock position from a platform that is 6 meters above the ground. The wheel completes one full revolution every 6 minutes. At the... more

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Cosine Trigonometry Functions Angles

05/06/14

find all 6 trigonometric functions of the angle whose terminal side goes through P(-4,6)

sinP= cosP= tanP= cscP= secP= cotP=

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Cosine Math Trigonometry Triangle

04/15/14

truiangles

A straight road leads from an ocean beach into the nearby hills. The road has a constant upward grade of 7°. After taking this road from the beach for a mile and a quarter, how high above sea level... more

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Cosine Differential Equations Equations Functions

04/12/14

Applications of Sinusoidal Functions and Their Derivatives

A differential equation is an equation involving a function and one or more of its derivatives. Determine whether the function y=πsinθ+2πcosθ is a solution to the differential equation d^2y/dθ^2 +... more

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Cosine Equations Linear Equations Functions

04/08/14

Differentiation Rules for Sinusoidal Functions

1. Find the slope of the function y=2cosxsin2x at x=π/2 2. Find the equation of the line that is tangent to y=x2sin(2x) at x=-π 3. Determine the second derivative for y=x2cosx

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