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y = 5sin (3ωt + ϕ) where ω and ϕ are constant Find dy/dt (A) 15ω cos (3ωt + ϕ)

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in JEE by kratos

y = 5sin (3ωt + ϕ) where ω and ϕ are constant Find dy/dt

(A) 15ω cos (3ωt + ϕ)

(B) 15ω cos (3ωt)

(C) 15 cos (3ωt + ϕ)

(D) 5ω cos (3ωt + ϕ)

1 Answer

+4 votes
by kratos
 
Best answer

Correct option (A) 15ω cos (3ωt + ϕ)

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