Math, asked by rishusinha01, 9 months ago

Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula.
(a)
2 sin(180) cos(180)
(b)
2 sin(3e) cos(38)

Answers

Answered by TanmayKiranUrunkar

3

Answer:

we have sin2x=2sinxcosx

2sin180cos180= sin(2×180)=sin360

2sin38cos38=sin (2×38)=sin76

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