Question

plz tell mi the right ans today is my exam​

Answer 1

Answer:

-1

Step-by-step explanation:

(π\2) is -1

good morning have a great day

Answer 2

Step-by-step explanation:

f(x) = log(sinx)

f(pi/2) =log(1)

f(pi/2) = log(0)

So the answer is 0..

I hope it helps.. And one more thing..stop using such useful apps for answering your exams.. :p