Write the value of `cos^(-1)(1/2)+2 sin^(-1)(1/2)`

1.	Write the value of `cos^(-1)(1/2)+2 sin^(-1)(1/2)`
Answer» `cos^(-1)((1)/(2))+ 2 sin^(-1) ""(1)/(2)` `=cos^(-1)(cos""(pi)/(3))+2sin^(-1)(sin""(pi)/(6))` `(pi)/(3)+2((pi)/(6))=(pi)/(3)+(pi)/(3)=(2pi)/(3)`

Discussion

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