1 + 10 squared theta upon 1 + cot squared theta is equal to 1 minus 10 theta upon 1 minus cot theta whole square proof
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Write 1+tan²θ = sec²θ and 1+cot²θ = cosec²θ. By diving both we get tan²θ.
RHS: Write cotθ = 1/tanθ. Take LCM. Now, the 1-tanθ term gets cancelled on the numerator and denominator. You will now be left with (-tanθ)².
∴LHS=RHS
RHS: Write cotθ = 1/tanθ. Take LCM. Now, the 1-tanθ term gets cancelled on the numerator and denominator. You will now be left with (-tanθ)².
∴LHS=RHS
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