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I. Sin^(-1)("sin"(2pi)/3)=(2pi)/3 II. ...

I. `Sin^(-1)("sin"(2pi)/3)=(2pi)/3`
II. `Cos^(-1)("cos"(5pi)/4)=(5pi)/4`

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:
D
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Knowledge Check

  • The value of the expression Sin^(-1)(Sin""(22pi)/7)+Cos^(-1)(Cos""(5pi)/3)+Tan^(-1)(Tan""(5pi)/7)+Sin^(-1)(Cos2) is

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  • If Sin^(-1)x+Sin^(-1)y=2pi//3,"then "Cos^(-1)x+Cos^(-1)y=

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