Q 1. Which of the following expressions is
equivalent to sin 6x:
Answers
Answered by
0
Answer:
2x and 3x expressionso is equivalent
Answered by
1
Answer:sin6x=2sin3x.cos3x
=2{(3sinx-4sin^ 3x).(4cos^3 x-3cosx)}
=2{12(cos^3x.sinx)-16(sin^3x.cos^3x)
-9(sinx.cosx)+12(sin^3x.cosx)}
Step-by-step explanation:
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