Show that $\tan^{-1}\left(\frac{27}{11}\right) - \ta… |

Q16Short4 marks2022 · Annual

Question

\tan^{-1}\left(\frac{27}{11}\right) - \tan^{-1}\left(\frac{8}{19}\right) = \frac{\pi}{4}\text{.}

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8.1 Exercise 8.1

Apply fundamental law and its deductions to derive: Trigonometric ratios of allied angles, double angle, half angle and triple angle identities.