Question

find the value of cos600 with full explanatipn​

Answer 1

Answer:

☆ To Find :-

The value of cos600°

=> cos600° = (90 × 4 +60°)

Here 600° lies in the 3rd quadrant and also the multiple of 90° is even

=> cos 600° = cos(90 ×4+ 60°)  

=> cos 600° = - cos60°

=> cos 600° = -(1/2)

so ,

cos 600° = -1/2

Step-by-step explanation: