SOLUTION: In this graph what is the cosine of ⊖?
https://s17.postimg.org/x9b7hf3vj/sine0.png
A.) {{{ 45 }}}degrees
B.) {{{ 60 }}} degrees
C.) {{{ 3/5 }}}
D.) {{{ 4/5 }}}
Ty.
I must redraw the figure,with a vertical line drawn from (8,6)
down to the x-axis, forming a right triangle:
We calculate hypotenuse "a" by the Pythagorean theorem:
Choice D.)
Edwin