What is the exact value of sin 225
2 answers
- sqrt of 2 over 2
you know that sin 45 = √2/2
225 = 180+45, so
sin(225) = sin(180+45)
now just use your addition formula to get the above result.
225 = 180+45, so
sin(225) = sin(180+45)
now just use your addition formula to get the above result.
2 answers