Question

3sin3pi/2+ cot45

Answer 1

pi=180 deg so 3pi/2 =270 deg
sin 3pi/2 = sin 270 = -sin 90 = -1
cot 45 = 1

so ans= 3*(-1) +1 =-2

Answer 2

\[3 \sin \frac{ 3 \pi }{ 2 } +\cot 45= -3\sin \frac{ \pi }{ 2 } +1=-3+1=-2\]

Answer 3

Thank you!! :)

Answer 4

welcome