cos3x=sin2x ka hal hai
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Step-by-step explanation:
ANSWER
cos3x=sin2x
cos3x=cos(
2
π
−2x)
⇒3x=2nπ+
2
π
−2x
⇒5x=2nπ+
2
π
⇒x=
5
2nπ
+
10
π
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