# trig

If point (3, -8) lies on the terminal side of an angle A in standard position, find:

a) sinA

b) tanA

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1. 3^2 + 8^2 = h^2
9 + 64 = h^2
73 = h^2
h = sqrt 73

a) sin A = -8/sqrt(73)

b) tan A = -8/3

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2. if 0 is an angle in standard position and its terminal side passes through the point (-3,2) find the exact value of csc 0

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