4cos³A.Sin3A 4sin³A.Cos3A = 3Sin4A

Prove 4cos³A.Sin3A +4sin³A.Cos3A0:05:02

Prove 4cos³A.Sin3A +4sin³A.Cos3A = 3Sin4A

Prove that: 4sin³A.cos0:04:40

Prove that: 4sin³A.cos 3A + 4cos³A.sin 3A = 3sin 4A

Prove that 40:02:43

Prove that 4 Sin³A Cos 3A +4 Cos³A Sin 3A= 3Sin4A

`sin4A=4sinA*cos^3A-4cosA*sin^3A`0:01:26

`sin4A=4sinA*cos^3A-4cosA*sin^3A`

Prove that: 4sin0:02:35

Prove that: 4sin A . cos³A - 4cosA.sin³A = sin 4A

Prove that :0:05:49

Prove that : Cos⁶A - Sin⁶A = Cos2A (1-1/4 Sin²2A) | Trigonometry Proofs | Important Question | see

Prove 1/(Tan3A+TanA) -1/(Cot3A+CotA)0:04:44

Prove 1/(Tan3A+TanA) -1/(Cot3A+CotA) = Cot4A Class Ten || Trigonometry || Hindi ||

Prove 2cos4A+1 =0:05:39

Prove 2cos4A+1 = (2cosA+1)(2cosA-1)(2cos2A-1)