2 sin x sin y. What is the trigonometric identity of this quention
Elias , 8 Years ago
Grade 12th
Trigonometry> 2 sin x sin y. What is the trigonometric ...
1 Answers
Aafiya Shaikh
Trigonometric identity for. 2sin (x) sin (y) = cos (x-y) - cos (x+y). Please approve my answer and. Good luck for your exams...All the best
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