Q. 4 E5.0( 1 Vote )

Evaluate each of the following:


Answer :


sec can be written as sec


Also, we know sec(2π –θ ) = sec(θ)


sec = sec


Now the given equation can be written as sec–1sec


As sec–1(sec x) = x


Provided x ϵ [0,π]–


we can write sec–1sec as .


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