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sec^(2)(tan^(-1)2) +"cosec"^(2)(cot^(-1)...

`sec^(2)(tan^(-1)2) +"cosec"^(2)(cot^(-1)3)=`

A

5

B

13

C

15

D

6

Text Solution

Verified by Experts

The correct Answer is:
C
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TARGET PUBLICATION-TRIGONOMETRIC FUNCTIONS -Competitive Thinking
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