Given that $A$ and $B$ are angles in the same quadrant such that \(\sin A = \frac{12}{

Question

Given that $A$ and $B$ are angles in the same quadrant such that $\sin A = \frac{12}{13}$ and $\cos B = -\frac{12}{13}$, find the value of each of the following without using a calculator. $\cos A$ $\sin B$ $\operatorname{cosec}\left( {{90}^{\circ }}-A \right)$ $\tan(B + 180^\circ)$

Accepted Answer

(i) $-\frac{5}{13}$ (ii) $-\frac{13}{5}$ (iii) $\frac{5}{13}$ (iv) $-\frac{5}{12}$

Trigonometry - Symmetry of Trigonometric Functions

Trigonometry - Symmetry of Trigonometric Functions

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