Look in the mirror. That’s your competition.

Working with unit circle in trigonometry through horizontal line, coterminal angles and allied angles

 NCERT Exercise 3.2

Find the values of the trigonometric functions in Exercises 6 to 10.

6. $$\sin 765°$$

7. $$cosec (-1410°)$$

8. $$\tan \frac{19 \pi}{3}$$

9. $$\sin \frac{-11 \pi}{3}$$

10. $$\cot \frac{-15 \pi}{4}$$