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Which of the following statement is(are)...

Which of the following statement is(are) true or false:
`(i) tan^(-1)(1)=(pi)/(4)`
`(ii) "sin"^(-1)(pi)/(2)=` not defined
`(iii) tan^(-1)x="cot"^(-1)(1)/(x)`
`(iv) "cosec"^(-1)x="sin"^(-1)(1)/(x), |x| ge 1`

A

TFFT

B

TETF

C

TTFT

D

FTTF

Text Solution

Verified by Experts

The correct Answer is:
C
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