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Cosec=5/3 , cos a+tan a=? |
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Answer» Cosec A = 5/3So, 1/sin A = 5/3Hypotenuse/perpendicular = 5/3Hypotenuse = 3k & perpendicular = 4kUsing Pythagoras theorem, 25k² = 9k² + (base)²16k² = (base)²√16k² = base4k = baseCos A - Tan A4k/5k - 3k/4k4/5 - 3/4(16 - 15)/201/20 ans. 31/20 |
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