11. If cos θ = –3/5 and θ lies in Quadrant III, find the exact values of sin θ.

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William W. · Accepted Answer

Using the Pythagorean Theorem, (-3)2 + y2 = 52 or y = 4 but, we can see that this is a negative (going down in Q3) so y = -4sin(θ) = opposite/hypotenuse = -4/5

11. If cos θ = –3/5 and θ lies in Quadrant III, find the exact values of sin θ.

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11. If cos θ = –3/5 and θ lies in Quadrant III, find the exact values of sin θ.

1 Expert Answer

Still looking for help? Get the right answer, fast.

OR

RELATED TOPICS

RELATED QUESTIONS

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find all solutions to the equation in (0, 2pi) sin(6x)+sin(2x)=0

(2sin18)(cos18)

how do i go about solving a trig identity; that simplify s 1-sin^2 theta/1-cos theta

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