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C2 maths help

show that (tan x cos^2 x) / (sin x cos x) = 1
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man111111
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show that (tan x cos^2 x) / (sin x cos x) = 1
Original post by man111111
show that (tan x cos^2 x) / (sin x cos x) = 1


So simplify the numerator in terms of sine and cosine first...
tanx = sinx/cosx
therefore the numerator becomes sinx*cos^2 x
and the denominator becomes sinx*cos^2 x as well

cancel the denominator and the numerator and boom, you get one :biggrin:

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