Consider a right triangle with acute angle of measure and cos 8 = Part A
Use the Pythagorean identity to write an equation that can be used to find sin 8. Then find the value of sin in
simplest radical form.
Equation:
Value: sine
Part B
Which of the following expressions are equivalent to tan ?
4
433
33
733
33

correct answer was 0.5

d

step-by-step explanation:

the two points from this line are   (0,4)   & (2,-2)

we can call

now, lets find the slope (m):

now finding b (the y intercept). this is the point at the y-axis where the line cuts the axis. looking at the graph, it is y = 4. so the point is 4. hence b = 4

the slope-intercept form is given by  

putting the points, we have:

d is the correct answer.

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