Trigonometric Functions
This trigonometric function can be used to find the hyp/opp of a right triangle
Cosecant
Quadrant of -85 degrees
Quadrant IV
Covert 80 degrees into radians
4pi/9 radians
This triangle of 90 degrees
Right triangle
Quotient Identity of tan(x)
sin(x)/cos(x)
Which of the following is false:
Sin = hyp/opp
Sec = hyp/adj
Tan = opp/adj
Sin = hyp/opp
Rotation of a negative angle
Clock-wise
7pi/4 to degrees
315 degrees
Sides of a right triangle?
Hypotenuse, opposite, and adjacent
Reciprocal Identity of cot(x)
1/tan(x)
sec60
2
Starting side of an angle
Initial side
True or False:
An angle between 0 and pi/2 is acute
True
This theorem has a formula of:
H2 = L2 + L2
Pythagorean Theorem
Pythagorean Identity of -cos2 (x)
sin2 (x) - 1
cot60
Square root of 3/3
Position of an angle after rotation
Terminal side
Radians of 1 full revolution
2pi
This angle has a sum of pi/2 (90 degrees)
Complementary Angle
Verify:
cos4(x)-2cos2(x)+1= sin4(x)
True
csc30
2
Quadrant of 8pi/5
Quadrant IV
Which of the following equals to 160 degrees:
8pi/9
10pi/7
pi
8pi/9
Find the missing leg of a right triangle given:
H: 8
L1: 4
L2: ?
Square root of 48
Simplify:
(sin2(x)-1)/sin(x)-1
sin(x)+1