express all trigonometric ratios in terms of tan titha
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One of the Pythagorean Identities involves only the Tan θ and the Sec θ. That identity is:
Sec2 θ = 1 + Tan2 θ
Solve for the Sec θ by taking the square root of each side.
Sec θ = (1 + Tan2 θ)1/2 or
___________
Sec θ = √ 1 + Tan2 θ
Sec2 θ = 1 + Tan2 θ
Solve for the Sec θ by taking the square root of each side.
Sec θ = (1 + Tan2 θ)1/2 or
___________
Sec θ = √ 1 + Tan2 θ
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