Trigonometry (Ameli, Kathy, Ommar, Roselyn)

Trigonometric Functions

100

This trigonometric function can be used to find the hyp/opp of a right triangle 

Cosecant 

200

Which of the following is false:

Sin = hyp/opp

Sec = hyp/adj

Tan = opp/adj

Sin = hyp/opp

300

sec60

2

400

cot60

Square root of 3/3

500

csc30

2

Quadrant

100

Quadrant of -85 degrees

Quadrant IV

200

Rotation of a negative angle

Clock-wise 

300

Starting side of an angle

Initial side

400

Position of an angle after rotation

Terminal side

500

Quadrant of 8pi/5

Quadrant IV

Degrees and Radians

100

Covert 80 degrees into radians

4pi/9 radians

200

7pi/4 to degrees

315 degrees

300

True or False:

An angle between 0 and pi/2 is acute 

True

400

Radians of 1 full revolution

2pi

500

Which of the following equals to 160 degrees:

8pi/9

10pi/7

pi

8pi/9

Right Triangle Trigonometry

100

This triangle of 90 degrees 

Right triangle

200

Sides of a right triangle?

Hypotenuse, opposite, and adjacent

300

This theorem has a formula of: 

H² = L² + L²

Pythagorean Theorem

400

This angle has a sum of pi/2 (90 degrees)

Complementary Angle

500

Find the missing leg of a right triangle given:
H: 8

L₁: 4

L₂: ?

Square root of 48

Identities

100

Quotient Identity of tan(x)

sin(x)/cos(x)

200

Reciprocal Identity of cot(x)

1/tan(x)

300

Pythagorean Identity of -cos² (x)

sin² (x) - 1

400

Verify:  

cos⁴(x)-2cos²(x)+1= sin⁴(x)

True

500

Simplify:

(sin²(x)-1)/sin(x)-1

sin(x)+1