Advertisements
Advertisements
Question
Find the value of `sin^-1(cos((33π)/5))`.
Sum
Advertisements
Solution
`sin^-1(cos((33π)/5))`
= `sin^-1 cos(6π + (3π)/5)`
= `sin^-1 cos((3π)/5)`
= `sin^-1 sin(π/2 - (3π)/5)`
= `π/2 - (3π)/5`
= `-π/10`.
shaalaa.com
Is there an error in this question or solution?
