Show:
Triangle Definitions
Trig Identities
Special Angles
Trig Definitions of any Angles
Vocabulary
100
Finish the definition of a right triangle cot ø =
What is adj ____ opp
100
Finish the Identity sin ø =?
What is 1/csc ø
100
sin 30º = sin π = ? __ 6
What is 1/2
100
sin ø = ?
What is y/r
100
An angle at exactly 90º
What is a right angle
200
tan ø =
What is opp/adj
200
cot ø = 1 ___ ?
What is tan ø
200
sin ? = sin π (answer is in degrees) __ 4
What is 45º
200
Finish the trig definition tan ø =
What is x/y
200
An angle less than 90º
What is an acute angle
300
csc ø
What is hyp/opp
300
Finish the Quotient Identity: ? = sin ø ____ cos ø
What is tan ø
300
cos 60º = cos ? = 1 ___ 2
What is π/3
300
r __ = ? x
What is sec ø
300
The angle horizontally downward from the point is called _________
What is the angle of depression
400
cos ø =
What is adj/hyp
400
sin^2 ø + cos^2 ø = ?
What is 1
400
tan 45º = tan π = ? __ 4
What is 1
400
cos ø = x ___ ?
What is r
400
Angles less than 90º used to determine corresponding angles is ________
What is a references angle
500
List the abbrevations of the three sides of a right triangle
What is opp, adj, hyp
500
1 + cot^2ø = ?
What is csc^2 ø
500
cos 30º = ? (answers is a fraction) __ ?
What is π/6 or √3/2
500
Working with trig functions of any angle, tan ø, cot ø, sec ø, and csc ø cannot equal
What is zero
500
The angle from the horizontal upward to the point is called the _____
What is the angle of elevation