Question

what is the sine of pi/2

Answer 1

It equals 1.

Answer 2

thanks

Answer 3

In degree language,\[\sin\left({\pi \over 2}\right) = \sin(90^{\circ}) = 1\]

Answer 4

thank you

Answer 5

careful....

Answer 6

We observe that we are left with hypotenuse over hypotenuse because the opposite side to 90 is just the hypotenuse.