3 years ago

Describe the relationship between the value of a trig ratio of an angle and the value of the trig ratio of its reference angle.

1 answer:

5 0

The reference angle is just a variable you use to find the angle. it is basically the same but you use it to solve for theta using one of the four given equations

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Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y <

Mandarinka [93]

Part A:
The first thing you should do is to graph both lines. Notice that one is of positive slope and another of negative slope.
The solution of the inequation system is given by the shaded region. That is, all the points that are in the shaded region satisfy the system of inequations.
Part B:
the point (-2, -2) is NOT included in the solution area (it is not in the shaded region.
Mathematically it is demonstrated by substituting inequalities and seeing that they are not satisfied
inequality 1
-2 <4 (-2) - 2
-2 <-10 (false)
inequality two
-2> = - (5/2) (- 2) - 2
-2> = 3 (false).