Question

1 upon 1 + tan square theta + 1 upon 1 + cot square theta = 1​

Answer 1

Step-by-step explanation:

1+ tan^2x = sec^2x

1+cot^2x = cosec^2x

hence

1/1+ tan^2x = cos^2x

1/1+cot^2x = sin^2x

then sin^2x + cos^2x =1

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