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Complete the Identity sec⁡x+csc⁡xtan⁡x+cot⁡x\frac { \sec x + \csc x } { \tan x + \cot x }

Question 91

Multiple Choice

Complete the identity.
-The expression sec⁡x+csc⁡xtan⁡x+cot⁡x\frac { \sec x + \csc x } { \tan x + \cot x }
is to be the left hand side of an equation that is an identity. Which one of the following four expressions can be u the right hand side of the equation to complete the identity?


A) tan⁡x−sec⁡x\tan x - \sec x
B) sin⁡x+cos⁡x\sin x + \cos x
C) cot⁡x+sin⁡2x\cot x + \sin ^ { 2 } x
D) cos⁡x+1\cos x + 1

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