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elena-s [515]
3 years ago
10

Verify cotx/secx=1/sinx-sinx

Mathematics
1 answer:
weeeeeb [17]3 years ago
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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