Math, asked by navyab3108, 6 months ago

sin(x+y)+sin(x-y)=

????

Answers

Answered by Anonymous

1

Answer:

Explanation:

sin(x+y)=sinxcosy+cosxsiny and

sin(x−y)=sinxcosy−cosxsiny

Hence sin(x+y)+sin(x−y)=sinxcosy+cosxsiny+sinxcosy−cosxsiny

= sinxcosy+cosxsiny+sinxcosy−cosxsiny

= 2sinxcosy

Answered by Anonymous

0

Answer:

please don't leave

please please

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