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If tan 0 + cot 0 = 2, then sec? - cosec2 0 = |
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Answer» tanA+1/tanA=2tan^2A+1=2tanAtan^2A-2tanA+1=0(tanA-1)^2=0tanA-1=0tanA=1sec^2A=1+tan^2A =1+1=2secA=2.tanA=1cotA=1/1=1cosec^2A=1+cot^2A = 1+1=2sec^2A-cosec^2A2-2=0 0 is the correct answer. |
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