Definitions
The ratio opposite over hypotenuse in a right triangle; the y-coordinate on the Unit Circle.
What is sine?
60˚
What is π/3 in degrees?
Find the length of the hypotenuse of a right triangle with legs of length 3 and 4.
What is 5?
Give a positive coterminal angle for 10˚
What is 370˚, 730˚, ...?
Evaluate sin( π/4 )
What is the sqrt(2)/2?
The ratio y/x in a right triangle.
What is tangent?
225˚
What is 5π/4 in degrees?
One leg of a right triangle is 5 inches and the hypotenuse is 13 inches. Find the length of the other leg.
What is 12 inches?
Find a positive coterminal angle for -5825˚
What is 295˚, 655˚, ...?
Evaluate cos (11π/6)
What is the sqrt(3)/2?
Two angles with the same initial and terminal sides, but possibly different rotations.
What is a coterminal angle?
315˚
What is 7π/4 in degrees?
A right triangle has a hypotenuse with length 10cm and a leg with 6cm. Find the length of the other leg.
What is 8cm?
Find a negative coterminal angle for 89π/17
What is -13π/17 , -47π/17, ...?
Evaluate tan (3π / 4)
What is -1?
The terminal side lies on the x-axis or the y-axis.
What is a quadrantal angle?
5π/6
What is 150˚ in radians?
The sum of the squares on the legs of a right triangle is equal to the square on the hypotenuse.
What is the Pythagorean Theorem?
The quadrant where angle 103π/15 is located.
What is Quadrant II? (coterminal to 13π/15)
Evaluate sin (7π/6)
What is -1/2?
The ratio adjacent over hypotenuse in a right triangle; the x-coordinate on the Unit Circle.
What is cosine?
-5π/3
What is -300˚ in radians (as a fraction in simplest form)?
Prove that a triangle with legs of length 24, 26, and 10 is a right triangle.
What is 24^2 + 10^2 = 26^2
The quadrant where angle -π/15 located located?
What is Quandrant IV? (coterminal with 29π/15)
Evaluate tan (π/2)
What is undefined?