What is the value of cos in physics
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Values of Trigonometric ratios for 0, 30, 45, 60 and 90 degrees. I have noticed that students cannot actually remember values of six trigonometric ratios (sin, cos, tan, cosec, sec and cot) for 0 , 30 , 45 , 60 and 90 .
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sin x is the value of cos
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