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If 3cot A=4, check whether (1-tan^2A)/(1...

If `3cot A=4`, check whether `(1-tan^2A)/(1+tan^2A)=cos^2A-sin^2A` or not.

Text Solution

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Let △ABC in which `∠B=90°`
We know that the cot function is the reciprocal of the tan function and it is written as
`cot(A) = (AB)/(BC) = 4/3`
Let us consider
...
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