Show that sin 5x+sin 3x cos 5x+cos 3x tan 4x.
Answers
Answered by
0
Answer:
Step-by-step explanation:
LHS
2 Cos 2 5x+3x
Cos 2 5x−3x
2 Sin 2 5x+3x
Cos2 5x−3x
⇒ Cos4x Cosx
Sin4x Cosx
⇒tan4x
= RHS
Answered by
1
Answer:
Step-by-step explanation:
The answer is tan 4x = rhs
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