1. Tardigrade
  2. Question
  3. Mathematics
  4. If sin A = (3/5), 0 < A < (π/2) and cos B = (-12/13) , π < B < (3 π/2), then the value of cos (A + B ) is

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. If $\sin \, A = \frac{3}{5}, 0 < A < \frac{\pi}{2}$ and $\cos \, B = \frac{-12}{13} , \pi < B < \frac{3 \pi}{2}$, then the value of $\cos (A + B )$ is

Trigonometric Functions

Solution:

Correct answer is (d) $- \frac{33}{65}$