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Use Fundamental Identities to Simplify the Expression Below and Then sin⁡(π2−x)csc⁡x\sin \left( \frac { \pi } { 2 } - x \right) \csc x

Question 19

Multiple Choice

Use fundamental identities to simplify the expression below and then determine which of the following is not equivalent. sin⁡(π2−x) csc⁡x\sin \left( \frac { \pi } { 2 } - x \right) \csc x


A) ​ tan⁡x\tan x
B) ​ cos⁡xcsc⁡x\cos \mathrm { x } \csc \mathrm { x }
C) ​ cot⁡x\cot x
D) ​ cos⁡xsin⁡x\frac { \cos x } { \sin x }
E) ​ 1tan⁡x\frac { 1 } { \tan x }

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