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८ एड * ८६४९ 509 * ८57 पट |
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Answer» 2sin 45. cos 45. tan 45 = 2sin 45. cos 45. sin 45/cos 45 = 2sin^2 45 = 2(1/sqrt(2))^2 [sin 45 = 1/sqrt (2)] = 2*1/2 = 1 |
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