Answers (2)
Student Expert
29th Apr, 2019
Dear Sanjay,
As given,
Sin A. Sin (A+B)
Using Sin(A+B)=SinA Cos B+CosA Sin B
=SinA (SinA CosB+CosA SinB)
Sin A. Sin (A+B)=Sin2(sin square)A CosB+SinA CosA SinB
I hope you have got your answer.
Good luck with the trignometry.
Comments (0)
Student Expert
29th Apr, 2019
Hello Sanjay Yadav,
Given= sinA.sin(A+B)
USING Sin(A+B)=sinAcosB+cosAsinB
=sinA(sinAcosB+cosAsinB)
∴ sinA.sin(A+B)=sin²AcosB+sinAcosAsinB
Thanku.
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