Question

sin inverse (cos pia/4)​

Answer 1

sin inverse(cosπ/4)

sin inverse(1/√2)

sinX=1/√2

X=45 degree

I hope this helps you my friend

Answer 2

Answer:

Step-by-step explanation:sin^-1 (cos pi/4)

Sin^-1 (cos 45°)

Sin^-1 (1/rt2)

Let theta be the angle

Sin^-1 1/rt2 = theta

1/rt2= sin theta

Therefore, sin theta = 45°