Question 96

$$cot^2Acos^2A$$ is equal to

Solution

Expression : $$cot^2Acos^2A$$

Using, $$(sin^2A+cos^2A=1)$$

= $$\frac{cos^2A}{sin^2A} (1-sin^2A)$$

= $$\frac{cos^2A}{sin^2A}-cos^2A$$

= $$cot^2A-cos^2A$$

=> Ans - (C)

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