30 degrees
pi/6
The length of the hypotenuse of an isosceles right triangle is asqrt2, where a is a side of the triangle. True or false?
what is the range of y= sinx
cos(5pi/6)
- sqrt3/2
Tan 0 and Cot 0 are negative in the _____ and _____ quadrants respectively.
2nd, 4th
180 degrees
pi
In a 30-60-90 triangle, if the shorter leg is x, then the longer leg is ____ and the hypotenuse is _____
x sqrt3 ; 2x
The range of sec x is ___
(−∞,−1]∪[1,∞)
sin(-4pi/3)
sqrt3/2
In what quadrants is the sine function positive.
1st, 2nd
90 degrees
pi/2
The length of the hypotenuse of a 30-60-90 triangle is three times the length of the shortest side of the triangle. True or False?
False
if the values of sin x, tan x, and csc x are positive, then x lies between ____?
sin(7pi/4)
-sqrt2/2
sin 0 and csc 0 are positive in the ___ and ___ quadrants.
1st, 2nd
45 degrees
pi/4
A baseball diamond is a sqaure with 80 foot sides. What is the length from home base to 2nd?
80sqrt2
For what angles is the cosecant function undefined?
multiples of 180 degrees.
cos(-2pi/3)
-1/2
in what quadrants is the cosine function negative?
2nd, 3rd
360 degrees
2pi
In a 30-60-90 triangle, if the longer leg is 3, then the shorter leg is ______ and the hypotenuse is _____?
sqrt3; 2sqrt3
Negative
cos(8pi/3)
-1/2
In what quadrants is the cotangent function negative.
2nd, 4th