\cos 57 ^ { \circ } = \sin \box^\circ\ – InterviewSolution

1.	\cos 57 ^ { \circ } = \sin \box^\circ\
Answer» We knowcos ( 90 - A) = sin(A)So, cos(57°) = cos ( 90-33) = sin(33°)So,cos(57°) = sin(33°)

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