∫ (cos4x – cos2x )/ (sin4x-sin2x) dx , please answer asap, thank you.
∫ (cos4x – cos2x )/ (sin4x-sin2x) dx , please answer asap, thank you.
Ashwin , 7 Years ago
Grade 12
Integral Calculus> ∫ (cos4x – cos2x )/ (sin4x-sin2x) dx , pl...
1 Answers
Arun
Last Activity: 7 Years ago
Put the formula of
Cos C - cos D = 2 sin C+D/2 sin D-C/2
&
Sin C - Sin D = 2 cos C+D/2 Sin C-D/2
You will get integral as
2 sin 3x sin (-x) / 2 cos 3x sin (x)
= - tan 3x
Hope you can solve it from herr
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