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Prove that 1 + cot a minus cosec a 1 + 10 A + 6 equal to 2 |
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Answer» Step-by-step EXPLANATION: (1+cot−)(1+tan+sec)=(1+cossin−1sin)(1+sincos+1) =(sin+cos−1sin)(sin+cos+1cos) =(sin+cos)2−12sincos =sin2+cos2+2sincos−1sincos =1+2sincos−1sincos =2sincossincos =2 |
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