Question

find the exact value of sin 165 degrees using identites

Answer 1

If you write sin of 165 degrees as sin ( 30 + 135), I think you could use the Addition Law for Sines to crank out an exact value of sine of 165.

Answer 2

is the answer square root of 3 +1 over square root of 2 times2

Answer 3

I haven't done the work yet so I don't know. I'll see what I get.

Answer 4

I got a negative sign where you have the plus.

((square root of 3) - 1) / ( 2 times square root of 2)

Answer 5

sorry i wrote that wrong. I have a negative also. Thank you for helping!

Answer 6

Glad to help.