Grade 12Integral Calculus
∫ (1+cos4x ) / (cot x – tan x ) dx , plz answer asap, thank you
∫ (1+cos4x ) / (cot x – tan x ) dx , plz answer asap, thank you
1 Answer
Arun
Approved Tutor Answer8 Years agoOn Solving the equation we get , {cos4x+1}/{cotx - tanx} = (2cos22x)(sinx.cosx)/(cos2x - sin2x) = cos2x.sin2x = sin4x/2
On Integrating we get , -cos4x/8 + C
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