Q15 of 42 Page 193

If , Find the value of

We know,


∴ We know, (hypotenuse)2 = (opposite)2 + (adjacent)2


(hypotenuse)2 = (20)2 + (21)2


(hypotenuse)2 = 400 + 441


∴ hypotenuse = √481 = 29




Substituting the value of sinθ and cosθ in given equation we get





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