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Use the given function value and the trigonometric identities to find the exact value of each indicated trigonometric function.(0 90, 0 /2) cos( ) =

Use the given function value and the trigonometric identities to find the exact value of each indicated trigonometric function.(090, 0/2)

cos() =61

(a)sin()

(b)tan()

(c)sec()

(d)csc(90)

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