4 years ago

Verify cotx/secx=1/sinx-sinx

1 answer:

3 0

Cot=cos\sin
sec=1\cos
cosx\sinx÷1\cosx=
cos^2x\sinx=1-sin^2x\sinx=
1\sinx-sin^2x\sinx= 1/sinx-sinx

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