Math, asked by gowri1353, 1 month ago

Show that (cosx – cosy)2 + (sinx –siny)2

= 4 sin2(x-y)÷2)​

Answers

Answered by swarshastri
0

Answer:

4 cosx + cosy = 5/10 = 1/2 = 2

Step-by-step explanation:

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