Use fundamental identities to simplify the expression below and then determine which of the following is not equivalent. $\sin \left( \frac { \pi } { 2 } - x \right) \csc x$
A)-1
B) $\frac { \cos x } { \sin x }$
C)cot x
D)1/ tan x
E)cos x csc x

Question

Use fundamental identities to simplify the expression below and then determine which of the following is not equivalent.​ $\sin \left( \frac { \pi } { 2 } - x \right) \csc x$ ​
A)​-1
B)​ $\frac { \cos x } { \sin x }$
C)​cot x
D)​1/ tan x
E)​cos x csc x

Quizplus · Accepted Answer

The expression simplifies to $\cos x \csc x$, which is equivalent to $\frac{\cos x}{\sin x}$, $\cot x$, and $\frac{1}{\tan x}$. It is not equivalent to -1.

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

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