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'T - 05 920) |
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Answer» cosec Φ*sin Φ=1LHS=cosecΦ*sin Φ=cosec Φ*1/cosecΦ (sin X =1/cosec /)=1 =RHShence proved 1/sin×sin =1 is the correct answer of the given question Cosec.sin=1taking LHS sin=1÷cosectherefore,cosec.1÷cosec==1LHS=RHS cosec = 1/sin1/sin.sin=1 |
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