Csc(x)*sec(x)-tan(x) how do i simplify this

asked Nov 18, 2018 156k views

3 votes

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3 votes

Csc(x)*sec(x)-tan(x)
= (1/cos)(1/sin) - sin/cos
= 1/cos (1/sin - sin)
= 1/cos([1-sin^2)/sin])
= 1/cos(cos^2/sin)
= cos/sin = cot

Hdorio answered Nov 22, 2018

5.6k points

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