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How do you solve 1-cos2x/cosx •cscx=tanx
asked
Dec 1, 2018
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How do you solve
1-cos2x/cosx •cscx=tanx
Mathematics
high-school
Xh Lin
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Xh Lin
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(1-cos^2x/cosx)*cosecx
(sin^2x/cosx)*sinx (where 1-cos^2x=sin^2x) and 1/cscx=sinx
sinx/cosx=tanx(divide by sinx)
hence proved
Ali Humayun
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Dec 5, 2018
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Ali Humayun
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