Answer :
i. We know, 2 sin A cos B = sin (A + B) + sin (A – B)
{sin (-x) = - sin x}
{sin (180° - x) = sin x}
Hence Proved
ii. We know, 2 sin A cos B = sin (A + B) + sin (A – B)
Take L.H.S
{sin (-x) = - sin x}
= R.H.S.
Hence Proved
Rate this question :
How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
view all courses
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
RELATED QUESTIONS :
Prove that :
<
Prove that:
</
Prove that:
</
Prove that :
<
Prove that:
</
Prove that:
</
Prove that:
</
Prove that:
</
Prove that:
</
Prove that:
</
