Sin(90-A), Sin(90+A), Cos(180-A), Cos(180+A), Sin(270-A), Sin(270+A),Cos(360-A) How Why Trigonometry

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Prove that 9. sin(270∘+A)=−cosA, and tan(270∘+A)=−cotA 38 cos(270∘−A)=−si..

Prove that: [ sin(180 + Θ) cos(90 + Θ) tan(270 - Θ) cot(360 - Θ) ] - Maths - Trigonometric Functions - 5218761

sin(270^(@)+theta).cos(360^(@)+theta).tan(180^(@)+theta))/(cos(180^(@

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