रूट ऑफ़ 3 साइन 75 डिग्री माइनस कॉस 75 डिग्री फाइंड द वैल्यू ऑफ इक्वेशन
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560 is the accha answer
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we can find the sine of (45° + 30°) to give sine of 75 degrees. sin 75 ... Another practical formula is the sine of 3 times an angle: ... But, it does give you the exact value for the sine of one degree.
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