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Answer:
sin6x /6 + cos2x/2 + C
Step-by-step explanation:
∫cos6x dx ∫cos2xdx
let 6x = t let 2x = z
dt/dx = 6 dz/dx = 2
dt/6 = dx dz/2 = dx
∫cost dt/6 ∫cosz dz/2
sint/6 sinz/2
sin6x/6 sin2x/2
Final answer : sin6x/6 + sin2x/2 + C
pratikchate36023:
good
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