Question

Sec theta root under 1- cos square theta = tan theta​

Answer 1

see explanation

Explanation:

Assuming you mean

secθ ×
`√(1-cos^20)`

=
`(1)/(cos0)` × sinθ [ sin²θ + cos²θ = 1 , so sinθ =
`√(1-cos^20)` ]

=
`(sin0)/(cos0)`

= tanθ

= right side , thus verified

Answer 2

Explanation:

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