Math, asked by hareshsureshbabu345, 4 months ago

if a=sinx + siny , b= cosx + cosy prove that tan^2(( x-y)/2)=( 4-a^2- b^2)/a^2+b^2​

Answers

Answered by mw7875864240
0

Answer:

hhunk

Step-by-step explanation:

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