Definitions
Definition of reference angle?
what is an acute, positive angle used to help with trig functions; theta
What does SOH CAH TOA stand for?
what is;
sin; opp/hyp
cos; adj/hyp
toa;opp/adj
if one side of a triangle is 5cm and the other is 12cm how long is the hypotenuse?
what is 13cm long
Does pi end?
what is no
Definition of angle of depression and elevation?
what is;
angle of elevation: when the angle is pointing up
angle of depression: when the angle is pointing down
30-60-90 for sin 30 and cos 30
what is;
sin: 1/2
cos: root 3/2
A right triangle has opposite = 1 and hypotenuse = 2, what's theta?
what is 30 degrees
What is the pythagorean theorem?
what is a squared+b squared= c squared
Definition of hypotenuse, adjacent and oposite?
what is;
opposite: the side across from the theta angle(not touching the right angle)
adjacent: the side right next to the theta angle(but not the hypotenuse)
hypotenuse:longest side of a right angled triangle/ the side not touching the 90 degree angle
If cos(theta)=9/15, the adjacent side has length 9 and what side has length 15
what is the hypotenuse
A triangle has an opposite side of 5cm and an adjacent side of 12cm, what is the angle?
what is 22.62 degrees
How many times do you have to fold a piece of paper for it to reach to the moon?( theoretically)
what is 42 times
Definition of trigonometry?
what is the branch of mathematics that studies the relationships between the side lengths and angles of triangles.
A student accidentally uses opposite over hypotenuse when asked for tangent and they actually calculated this trig function instead
what is sine
A ladder is 18 feet tall and reaches to 14 feet high on a vertical wall, find the angle that the ladder makes with the ground to the nearest degree(angle of elevation).
what is 51 degrees
What is the smallest number expressible as the sum of 2 cubes in 2 different ways?
what is 1729