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

Question 171

Multiple Choice

Use the given function value(s) , and trigonometric identities (including the cofunction identities) , to find the indicated trigonometric functions.
cosθ=15\cos \theta = \frac { 1 } { 5 }

Sec θ\theta and csc(90° - θ\theta )


A) secθ=15\sec \theta = \frac { 1 } { 5 } and csc(90θ) =15\csc \left( 90 ^ { \circ } - \theta \right) = \frac { 1 } { 5 }
B) secθ=5\sec \theta = 5 and csc(90θ) =5\csc \left( 90 ^ { \circ } - \theta \right) = 5
C) secθ=15\sec \theta = \frac { 1 } { 5 } and csc(90θ) =5\csc \left( 90 ^ { \circ } - \theta \right) = 5
D) secθ=5\sec \theta = 5 and csc(90θ) =15\csc \left( 90 ^ { \circ } - \theta \right) = \frac { 1 } { 5 }
E) secθ=5\sec \theta = - 5 and csc(90θ) =5\csc \left( 90 ^ { \circ } - \theta \right) = - 5

Correct Answer:

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