Question

give me the formula of

1》》》sinx-siny

2》》》cos2x

Answer 1

hii mate

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here is ur answer ^↓^

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the formula of

1》》》sinx-siny is

2cos(x+y)/(2) sin(x-y)/(2)

2》》》cos2x

1+tan²x/1-tan²x


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⚡⭐hope it helps uh⭐⚡