if sin 3 theta = cos ( theta-6 degree) where 3 theta and ( theta-6 degree) both r acute angle then what is the value of theta

Given : sin 3θ = cos (θ - 6°)

⇒ cos (90° - 3θ) = cos (θ - 6°)

⇒ 90° - 3θ = θ - 6°

⇒ θ + 3θ = 90° + 6°

⇒ 4θ = 96°

⇒ θ = = 24°

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