Question

State the signs of trigonometric functions:
(i) sin (159°)
(ii) $\cos \Big(\frac{11\pi}{9}\Big)^{c}$
(iii) tan (250°)
(iv) $\sec \Big(\frac{3\pi}{5}\Big)^{c}$

Answer 1

3 option is yours answer ok

Answer 2

hey your answer is option c
hope it helps you