if sin theta = cos[theta-6] find the value of theta
Kindly refer the similar link for your query.
https://www.meritnation.com/ask-answer/question/is-sina-cos-a-26-find-the-value-of-a/trigonometric-ratios/5109910
Regards
https://www.meritnation.com/ask-answer/question/is-sina-cos-a-26-find-the-value-of-a/trigonometric-ratios/5109910
Regards