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Prove that:
LHS
We know that sin(A ±B) = sinA cosB ± cosA sinB And cos(A ±B) = cosA cosB ∓ sinA sinB
= tanA = RHS
Hence proved.
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Prove that:
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Prove that:
Prove that:
Prove that:
Prove that:
Prove that:
Prove that:
Prove that:
Prove that:
Prove that:
Prove that:
Prove that: