Q. 155.0( 1 Vote )

Mark the correct A. 3/4

B. 1/2

C. 2

D. 5/4

Answer :

Given x is an acute angle and value of tan x =1/√7.

We know tan2x + 1 = sec2x

Also, cot2x+1 = cosec2x

cot2 x=7

cot2x+1 = 7+1


cosec2x = 8

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