TS Police Constable Telugu Model Paper 9

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Question : 71 of 200

Marks: +1, -0

\cosecθ=25/7

అయిన

\cot θ

విలువ ?

$24/7$
$7/24$
$24/25$
$1/25$

Solution:

\cosec θ=25/7

\cot^2θ=\cosec^2θ-1

=[(25/7)^2-1]

(625/49-1)=576/49=(24/7)^2

∴ \cotθ=24/7

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