SinA+2Sin2A+Sin3A is equal to ?
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Answered by
2
Step-by-step explanation:
=4sina*cosa/2*cos3a/2
SinA+2Sin2A+Sin3A=
4sina*cosa/2*cos3a/2
This will. Help
Answered by
0
Answer:
4sinA(cosA-sin^2A)
this is your answer.
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