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If A+B+C=180^@ , then (t a n A+t a n B+t...

If `A+B+C=180^@` , then `(t a n A+t a n B+t a n C)/(t a n A\ t a n B\ t a n C)` is equal to `t a n A t a n B t a n C` b. `0` c. `1` d. none of these

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Given,

`A + B + C = 180°`

`A + B = 180° – C`

Taking ‘tan’ on both sides,

...
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