prove that sin5x+sin3x/
cos5x+cos3x=tan4x.
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LHS
2 Cos
2
5x+3x
Cos
2
5x−3x
2 Sin
2
5x+3x
Cos
2
5x−3x
⇒
Cos4x Cosx
Sin4x Cosx
⇒tan4x
= RHS
Verified answer
Step-by-step explanation:
Define a parobola anf derive the equation in the standard from yè=4ax