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Integrate the functions.
sin x sin (cos x)
Let cosx = t
⇒ -sinxdx = dt
⇒
=-[-cost] + C
= cost + C
= cos(cosx) + C
sin (ax + b) cos (ax + b)
tan2 (2x – 3)
sec2 (7 – 4x)
cot x log sin x
equals