Given that $\sec \theta = \frac{7}{3}$ and $\theta$ is acute, without using a calculator, f

Question

Given that $\sec \theta = \frac{7}{3}$ and $\theta$ is acute, without using a calculator, find, $\sec \left( \frac{\pi}{2} - \theta \right)$, $\cot \left( \frac{\pi}{2} - \theta \right)$, $\textbf{cosec} \theta$, exactly.

Accepted Answer

(i) $\frac{7\sqrt{10}}{20}$ (ii) $\frac{2\sqrt{10}}{3}$ (iii) $\frac{7\sqrt{10}}{20}$

Finding Trigonometric Ratios

Finding Trigonometric Ratios

Video Solution:

Solution:

Solution locked