Question

prove sec theta root (1-sin²theta ) =1​

Answer 1

Step-by-step explanation:

$\sec(theta) \sqrt{ { 1 - \sin }^{2}theta } \\ = \sec(theta) \sqrt{ {cos}^{2} theta} \\ = \sec(theta) \times \cos(theta) \\ = \sec(theta) \times 1 \div \sec(theta) \\ = 1$

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