How to find the value of cos (3pi/2)?

We have to find the value of cos (3∏/2)

Solution

cos (3∏/2)

We know that ∏ = 180 degrees

3∏/2 = (3 X 180)/2 = 270

cos 270 can be found using 90 degrees

cos 270° = cos (3 × 90° + 0°) = sin 0° = 0

Answer

The value of cos 270= cos (3∏/2)= 0