Coterminal Angles and Quadrants
Give a coterminal angle for 10˚ (between 0˚and 720˚)
370˚
What is the sine of an angle?
-A ratio in a right triangle equivalent to the opposite side over the hypotenuse.
-In a unit circle, it is the y-coordinate for any given point on the circle
Find a coterminal angle for (2 pi)/3 (between - 2 pi and 0)
(- 4 pi)/3
What is the cotangent of an angle?
-A ratio in a right triangle equivalent to the adjacent side over the opposite side. -A ratio equivalent to the reciprocal of the tangent of that angle -In a circle, it is the x-coordinate divided by the y-coordinate for any given point on the circle
Find a negative coterminal angle for 18π/7
-10π/7 , -24π/17, ...
The one leg of a triangle is 6 inches and the hypotenuse is 8 inches. Find the length of the other leg.
2 sqrt(7)
What day is it today (in Japanese)?
Kayobi (Tuesday)
Suiyobi (Wednesday)
In what quadrant is the angle 602π/3 located?
QII (coterminal to 2π/3)
sin (theta) = -3/5, Quadrant III. What is cos (theta)?
- 4/5
What is 390˚ in radians ?
13π/6
What is sec (-101pi)?
-1
In what quadrant are cot (theta), sin (theta) and sec (theta) < 0 ?
None
cot (theta) = -3, csc (theta) > 0, sin (theta) = ?
1/ sqrt(10)
What is 204˚ in radians?
17π/15
These parent functions have vertical asymptote at (11 pi)/2 ?
Tangent and secant