For Exercises 47—50, use the unit circle and the period of the function to evaluate the expression. (See Example 4) 48. a. cot ( − 19 π 3 ) b. sin 510 ° c. sec ( − 13 π 2 )
For Exercises 47—50, use the unit circle and the period of the function to evaluate the expression. (See Example 4) 48. a. cot ( − 19 π 3 ) b. sin 510 ° c. sec ( − 13 π 2 )
For Exercises 47—50, use the unit circle and the period of the function to evaluate the expression. (See Example 4)
48.
a.
cot
(
−
19
π
3
)
b.
sin
510
°
c.
sec
(
−
13
π
2
)
Two-dimensional figure measured in terms of radius. It is formed by a set of points that are at a constant or fixed distance from a fixed point in the center of the plane. The parts of the circle are circumference, radius, diameter, chord, tangent, secant, arc of a circle, and segment in a circle.
Solutions of inequalitie
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Is (-3, 2) a solution of 7x+9y > -3?
Choose 1 answer:
A
Yes
B
No
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