Mathematics · Trigonometry

Evaluate the following trigonometric expression: 4 cos(90° - θ) sin 3 (90° + θ) - 4 sin(90° + θ) cos 3 (90° - θ) cos ( 180° + 8θ 2 )

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Evaluate the following trigonometric expression: 4 cos(90&deg; - &theta;) sin 3 (90&deg; + &theta;) - 4 sin(90&deg; + &theta;) cos 3 (90&deg; - &theta;) cos ( 180&deg; + 8&theta; 2 )