If cos A= x, then cos3A=
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Answer:
Cos 3A= 3
Given : Cos A= x
Now, Cos 3A = 3×a (since, A=x)
Hence, Cos 3A= 3x
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Answer:
⇅⊇⊇⊄⇵⇵→∛∛ββ⇒⇒⇒⇒⇒⇒
Step-by-step explanation:
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