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Trigonometry
Question

Use trigonometric identities to write \( \csc x \)...

Use trigonometric identities to write \( \csc x \) in terms of \( \cos x \) 

Choose the correct expression equal to csc \( x \) 

A. \( \csc x = \frac { \pm \sqrt { 1 - \cos ^ { 2 } x } } { \cos ^ { 2 } x } \) 

B. \( \csc x = \frac { \pm \sqrt { 1 - \cos ^ { 2 } x } } { 1 + \cos ^ { 2 } x } \) 

D. \( \csc x = \pm \sqrt { 1 - \cos ^ { 2 } x } \) 

D. \( \csc x = \frac { \pm \sqrt { 1 - \cos ^ { 2 } x } } { 1 - \cos ^ { 2 } x }\) 

Answer

D

Solution
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