\begin { equation } \cos ^{\wedge} 2 x+\sin ^{\wedge} 2 x=? \end { equ – InterviewSolution

1.	\begin { equation } \cos ^{\wedge} 2 x+\sin ^{\wedge} 2 x=? \end { equation }
Answer» cos^2x+ sin^2x is 1as it is a theorem in trignometry

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