Simple Trig
SOH-CAH-TOA
Sin, cos and tangent are all positive in this quadrant
What is quadrant I?
The names of the secondary trig functions or inverse functions
What are cosecant, secant and cotangent?
For any triangle, the ratios of the sines of the interior angles to the lengths of the sides opposite those angles are equal.
What is the Law of Sines?
Height from x-axis
What is the amplitude of a graph?
Ratio of certain sides of the triangle to corresponding angles
What is trigonometric functions?
What is quadrant three?
The reciprocal of cosine
What is cosecant?
sin (theta)^2 + cos (theta)^2
What is one?
In a unit circle, the amplitude of sine and cosine
What is 1?
Radians in a circle
What is 2pi?
Starting from quadrant one, going to quadrant four counterclockwise, the acronym
What is ASTC or All Students Take Chemistry?
Adjacent / opposite
What is cotangent?
Alex props up a ladder against a wall. The ladder makes an angle of 23 degrees from the ground. If the ladder is 10 feet long, what is the expression for finding the distance the foot of the ladder is from the wall?
A. 10 tan 23 degree
B. 10 sin 23 degree
C. 10 cos 23 degree
D. cos 10/23
E. sin 10/23
What is C. 10 cos 23 degree? (Use cosine)
In a unit circle, what is the period of sine and cosine function?
What is 2pi?
the connection between circumference formula and radian
What is that the formula for circumference is 2 pi r. If radius is one or the unit circle, then circumference is 2 pi, which is the same as the radians in a circle?
Even function
What is cosine?
A right triangle has sides adjacent to the 90 degree angle of 14 and 12. The length of the third side
What is square root of 340 or 2 times square root of 85? (used pythagorean theorem)
If tan theta = 3/4 and 180 degrees is less than theta is less than 270 degree, what is sin theta?
A. 4/3
B. -4/3
C. 3/4
D. 3/5
E. -3/5
What is E. -3/5?
number of radians in 180 degrees?
What is pi radians?
A circle that has a radius of 1 and is centered at the origin
The distance along the x-axis at which point the graph starts to repeat
What is the period of the graph?
One angle of a right triangle is 34 degrees. The side opposite to that angle is 12. What is the length of the hypotenuse?
What is 12 / sin 34 degrees?
For right triangle KLM, what is sin angle M? MK is 12 cm and ML is 10 cm . angle L is 90 degrees.
F. 10/12
G. 12/10
H. square root of 44/10
J. 10/square root 44
K. square root 44/12
What is K? (Use pythagorean and then sine)
In triangle ABC, shown below, the measure of angle B is 41 degree, the measure of angle C is 34 degree, and line segment AB is 25 units long. Which of the following is an expression for the length, in units of line segment BC? (Note: The law of sines states that, for any triangle, the ratios of the sines of the interior angles to the lengths of the sides opposite those angles are equal.)
A. (25 times sin 105 degree )/sin 41 degree
B. (25 sin 105 degree)/sin 34 degree
C. (25 sin 75 degreee)/sin 41
D. (25 sin 41 deg)/sin 105 deg
E. (25 sin 34 deg)/sin 75 deg
What is B?