Prof that √1+sina/1-sina = seca + tana ×points is 30tha
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Rationalize the denominator,
✪ Trigonometric Identity :- An equation involving trigonometric ratios of an angle is called a trigonometric identity if it is true for all values of the angle.
- sin²θ + cos²θ = 1
- 1 + tan²θ = sec²θ
- 1 + cot²θ = cosec²θ
- tanθ = sinθ/cosθ
- cotθ = cosθ /sinθ
- tanθ × cotθ = 1
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