622 Answered Questions for the topic Trig

04/01/20

cos(x+pi/2)=-sinx
to prove the identity above
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Trig

04/01/20

Solve for θ if 0° ≤ θ < 360°. (Enter your answers as a comma-separated list.) sqrt 3 sin θ − cos θ = 1
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Trig

04/01/20

Solve the equation for x if 0 ≤ x < 2π. Give your answer in radians using exact values only. (Enter your answers as a comma-separated list.) sin x + cos x = sqrt2
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Trig

04/01/20

Solve the equation for x if 0 ≤ x < 2π. Give your answer in radians using exact values only. (Enter your answers as a comma-separated list.) 2 sin x − 3 cot x − 3 csc x = 0
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Trig

04/01/20

Solve the equation for x if 0 ≤ x < 2π. Give your answer in radians using exact values only. (Enter your answers as a comma-separated list.) cos 2x − 3 sin x − 2 = 0
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Trig

04/01/20

Solve the equation for θ if 0° ≤ θ < 360°. (Enter your answers as a comma-separated list.) sin 2θ + cos θ = 0
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Trig

04/01/20

Solve the equation for θ if 0° ≤ θ < 360°. (Enter your answers as a comma-separated list.) 4 sin θ − 2 csc θ = 0
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Trig

04/01/20

Solve the equation for θ if 0° ≤ θ < 360°. (Enter your answers as a comma-separated list.) sqrt2 sec θ = 2
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03/27/20

Compute the magnitude and direction of the combined vectors: 200N of force at 90° and 150N of force at 60°
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03/27/20

a=(2,-3) and b=(1,4) Represent a+b by using the parallelogram method.
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03/26/20

What is the component form of a resultant 4b-2a? a=(6,-2) b=(-5,2)

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03/26/20

What is the component form of the vector whose tail is the point of (-2,6) and whose head is the point (3,-4)?
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Trig

03/24/20

Let csc t = sqrt 37 with t in QII and find cos 2t
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03/24/20

What does a transformation table for trigonometry look like?
For example: an equation like y=3sin(2θ-π)+2How would you write a transformation table?
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03/23/20

Given f(x)=AcosB(x-C)+D, changing which parameter, A, B, C, or D, will affect the phase shift of the function? How will this affect the position of the graph?
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03/23/20

Given f(x)=AsinB(x-c)+D, how does A affect the shape of the graph given A>1?
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03/23/20

Give the Cartesian coordinates for the point with polar coordinates (r,Θ)
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03/19/20

Divide 2-3i/-1+5i. Enter your answer, in standard form for complex numbers.
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03/19/20

p and q are complex numbers such that |p|=2/5x+2, |q|=-3/4x-1, and |p+q|=2x+4. On what interval must x fall?
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03/19/20

What is the value of the modulus 6-3i? As a simplified radical
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03/16/20

Two wheel gears are connected by a chain.

Two wheel gears are connected by a chain. The larger gear has a radius of 6 centimeters and the smaller gear has a radius of 4 centimeters. The smaller gear completes 28 revolutions in 15 seconds.... more
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03/16/20

A hamster runs in it's wheel whose radius is 3 inches. The wheel completes 7.3 revolutions in 6 seconds. What is the linear velocity of the hamster's wheel?
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03/16/20

A wheel completes 2.4 revolutions in 3 seconds. What is the angular velocity of the wheel in radians per minute? As simplified fraction.
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03/11/20

Faith stands and watches her kids play. Nadia is 60 feet away in the sandbox. Faith turns 130° and views Jolene on the swing set. Jolene is 115 feet away. How far apart are Nadia and Jolene?
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03/11/20

A point on a wheel moves at 33π/4 radians per minute. How many seconds are required for the point to complete 10 revolutions?
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