Angle $\theta$ is in Quadrant II, and $sin \theta=\frac{4}{5}$. What is the value of $cos\theta$?

Topic: Trigonometric functions

Topic: Trigonometric functions

Quiz by PARCC

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Measures 1 skill from

HSF.TF.C.8

Prove the Pythagorean identity sin^2(θ) + cos^2(θ) = 1 and use it to find sin(θ), cos(θ), or tan(θ) given sin(θ), cos(θ), or tan(θ) and the quadrant of the angle.

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HSF.TF.C.8

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