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In this lesson, we will learn how to evaluate the integral of a product of sines and cosines using trigonometric identities.
Q1:
Determine ( 5 5 𝑥 − 1 ) 𝑥 c o s d .
Q2:
Determine 2 3 𝑥 − 7 9 3 𝑥 − 9 𝑥 c o s s i n d .
Q3:
Determine 3 𝑥 − 3 9 𝑥 𝑥 c o s c o s d .
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