Given that $\cos A=-\dfrac{3}{5}$, $\tan B=\dfrac{8}{15}$ and that angles $A$ and $B$ are in

Question

Given that $\cos A=-\dfrac{3}{5}$, $\tan B=\dfrac{8}{15}$ and that angles $A$ and $B$ are in the same quadrant, find the exact value of $\tan A+\cos B$.

Accepted Answer

$\frac{23}{51}$

Sum of ratios for two third-quadrant angles

Sum of ratios for two third-quadrant angles

Solution:

Solution locked