Evaluate sin2A, cos2A and tan2A if: i)...

Evaluate `sin2A, cos2A` and `tan2A` if:
i) `sinA=5/13`, ii) `cosA=8/17`, iii) `tanA=4/3`

Text Solution

AI Generated Solution

To evaluate \( \sin 2A \), \( \cos 2A \), and \( \tan 2A \) for the given values of \( \sin A \), \( \cos A \), and \( \tan A \), we will follow a systematic approach. ### i) Given \( \sin A = \frac{5}{13} \) 1. **Find \( \cos A \)**: \[ \cos^2 A + \sin^2 A = 1 \] ...

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NAGEEN PRAKASHAN ENGLISH-TRIGNOMETRIC FUNCTIONS-EXERCISES 3F

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