Solve:sin3xAnswer:(pi(8n-1/4,2pin) U (pi(8n+1/4,pi(8n+3/4) U (pi+2pin,pi(8n+5/4) .
Solve:
sin3x
Answer:
(pi(8n-1/4,2pin) U (pi(8n+1/4,pi(8n+3/4) U (pi+2pin,pi(8n+5/4) .
Sarthak Agrawal , 10 Years ago
Grade 12th pass
Trigonometry> Solve: sin3x Answer: (pi(8n-1/4,2pin) U (...
2 AnswersSarthak Agrawal
question is sin 3x is less than sin x
Anil Kumar
sin3x=sin(2x+x)
=sin2xcosx+cos2xsinx=2sinxcosxcosx+(cos2x-sin2x)sinx=2sinxcos2x+sinxcos2x-sin3x
approve if the answer is correct
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