If `(cos(theta_(1)-theta_(2)))/(cos(theta_(1)+theta_(2)))+(cos(theta_( – InterviewSolution

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1.	If `(cos(theta_(1)-theta_(2)))/(cos(theta_(1)+theta_(2)))+(cos(theta_(3)+theta_(4)))/(cos(theta_(3)-theta_(4)))=0,` then `tantheta_(1)tan theta_(2)tan theta_(3)tan theta_(4)=`A. 1B. 2C. `-1`D. none of these
Answer» Correct Answer - C

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