Math, asked by sellersaj, 6 months ago

cos(t)cos2(t)cos4(t)= (sin8(t))/(8sin(t))
Please provide a step-by-step evaluation, thank you!

Answers

Answered by deeptijha1

1

Step-by-step explanation:

RHS = 2 sin4(t)cos4(t)/(8sint)

= (4sin2t cos2t cos4t)/(8sint)

= (8sint cost cos2t cos4t)/(8sint)

= cost cos2t cos4t

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