Jon wanted to solve this problem, given that sin 0=1/4, what is the value of cos 0
What did he do wrong?
Strp B is incorrect
sin^2 theta = (1/4)^2 = 1/16
You should have
1/ 16 + cos^2 theta = 1
cos^2 theta = 1 - 1/16
cos^2 theta = 15/16
cos theta = sqrt (15) / 4
