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.Com
Question 1058388: In this graph what is the cosine of ⊖?
https://s17.postimg.org/x9b7hf3vj/sine0.png
A.) degrees
B.) degrees
C.)
D.)
Ty.

Found 2 solutions by Fombitz, Edwin McCravy:
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!

So then,


and then,

Answer by Edwin McCravy(20056)   (Show Source): You can put this solution on YOUR website!


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

RELATED QUESTIONS

In this graph what is the sine of ⊖? https://s17.postimg.org/x9b7hf3vj/sine0.png (answered by josgarithmetic)
In this graph what is the tangent of ⊖?... (answered by Edwin McCravy)
In this graph what is the measure of ⊖?... (answered by Edwin McCravy)
In this graph, what's the complement for the ⊖?... (answered by Edwin McCravy)
In the graph, what is the measurement for ⊖ in degrees? reference:... (answered by Theo)
In the graph, what is the measurement for ⊖ in degrees? reference:... (answered by josgarithmetic)
In this graph, what is the length for line {{{ a }}}? Graph:... (answered by jim_thompson5910)
What is the value of arctan (-√3)? a. 60 degrees b. 90 degrees c.-60 degrees d. 0 (answered by Boreal)
What is the value of arctan(-√3)? a. 60 degrees b. 90 degrees c. -60 degrees d. 0 (answered by MathLover1)