Question

If 180° < θ < 270°, sin θ= -3/5 then find (i) sin θ/2(ii)cos θ/2 (iii)tan θ/2
(iv)cot θ/2
​

Answer 1

Answer:

Step-by-step explanation:

Use the Pythagorean Theorem to find the sides of the triangle, then use trigonometric identities.

(iv)cot(0/2)=ivcot(θ/2)