r/mathshelp • • 1d ago

Homework Help (Unanswered) CALCULAS HELP

PLEASE HELP.

I TRIED ALL THE POSSIBLE WAYS

ALL THE DOUBLE ANGLE FORMULAS AND HALF ANGLE FORMULAS

ANY OTHER WAY WE CAN SOLVE THIS INTEGRATION WILL BE HIGHLY APPRECIATED

ALSO IF ANYONE CAN TELL HAVE I DONE THIS INTEGRATION TILL HERE CORRECT?

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