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.

Algebra ->  Test -> 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.      Log On

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