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Use the Given Function Value(s), and Trigonometric Identities (Including the Cofunction

Question 202

Multiple Choice

Use the given function value(s) , and trigonometric identities (including the cofunction identities) , to find the indicated trigonometric functions.
secθ=9\sec \theta = 9
Cos θ\theta


A) cosθ=9\cos \theta = 9
B) cosθ=19\cos \theta = \frac { 1 } { 9 }
C) cosθ=19\cos \theta = - \frac { 1 } { 9 }
D) cosθ=9\cos \theta = - 9
E) cosθ=0\cos \theta = 0

Correct Answer:

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