Trig jeo-party

Unit Circle

100

360º equals _____ on the unit circle in radians 

2π

π=pi

200

Diameter of the unit circle 

2

300

Coordinates of 90º

(0,1)

400

Coordinates of 225º

(-√2/2, -√2/2)

500

Sinø=_________

Ø=theta 

y

Or

y/1

Sine

100

Opposite function of sin 

Secant 

200

When do you use Law of Sines

use it when the triangle is SSA, AAS, ASA

300

Can sine be greater than 1

No

400

In triangle ABC angle b=117 angle c=41 and AB=14 find measure of ange a and AC and find BC

angle a=22

AC=18.89 

BC=8

500

find the area (A) of triangle JKL when angle l= 42°, JK=14cm, JL=9cm

A=58.2cm2

Cosine

100

What is the opposite function of Cosine

Cosecant 

200

When angle c=67 find x when the adjacent side=5 and the Hypotenuse=x

cos67=5/x

x=12.8

300

When can you use cosine 

SAS and SSS

400

Find angle c in triangle ABC if BC=11cm, AC=48cm

76.75º

500

Solve for cosB if AB=8ft, BC=14ft, and AC=19ft

116.8º

Tangent

100

Opposite of Tangent 

Cotangent 

200

find the tangent of 14 if x is the adjacent side and 18 is the opposite side

Tan14=18/x

300

find tanx if 13 is adjacent and 15 is opposite

tanx=15/18

A: 49.1

400

What do you need to find to graph a tangent function that is different than the others?

Give the formula as well

Vertical Asymptote

VA= n/2(lbl)

500

If tanθ = 0, which quadrant does the terminal side of θ lie in?

1 and 3

Formulas

100

Pythagorean Therum:

a²+b²=c²

200

Convert Degrees to Radians 

xº * π/180º

Π=pi

300

Find the period(p) of a sine or cosine function 

P=2π/180

π=pi

400

Law of Sines

a/(sinA)=b/(sinB)=c/(sinC)

Or

SinA/a=SinB/b=SinC/c

500

Alternative form of CosA

b²+c²-a²/2bc