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I want to simplify Sin2(x-y) +sin2(z-y) be careful I have three variables

I want to simplify Sin2(x-y) +sin2(z-y) be careful I have three variables 

Grade:12th pass

1 Answers

Aditya Gupta
2080 Points
3 years ago
Sin2(x-y) +sin2(z-y)= 2sin(x+z-2y)cos(x-z)
no more simplification is possible
onte that we have used the folowing formula above:
sina+sinb=2sin(a+b)/2*cos(a-b)/2

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