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I. Tan^(-1)2+Tan^(-1)3=(3pi)/4 II. cos...

I. `Tan^(-1)2+Tan^(-1)3=(3pi)/4`
II. `cos{Cos^(-1)((-1)/7)+Sin^(-1)((-1)/7)}=0`

A

only I is true

B

only II is true

C

both I and II are true

D

neither I nor II are true

Text Solution

Verified by Experts

The correct Answer is:
C
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