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Prove that cos 20°· cos40°· cos60°. cos80° = 1/16 |
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Answer» It's proved thatcos 20° · cos40° · cos60°. cos80° = 1/16 Trigonometric ratios help us to calculate the sides of a right angled triangle with the help of a given angle and a given side. Trigonometric angle value is a collective term for values ofdifferent ratios, such as sine, cosine, tangent, secant, cotangent, and cosecant. |
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