6 Basic Functions and Evaluation of Functions

Basic Functions

100

Sinx is...

What is opposite/adjacent?

200

Cosx is...

What is adjacent/hypotenuse? 

300

Tanx is... 

What is opposite/adjacent?

400

Secx is...

What is hypotenuse/adjacent?

500

Cscx is...

What is Hypotenuse/opposite

Right Triangles

100

Find Tan x if the opposite side length is 12 and the adjacent side length is 5

12/5

200

Find sinx i the hypotenuse is 7 and the opposite side is 5, given it is a right triangle. 

5/7

300

Find cscx if the adjacent side is 5 and the hypotenuse is 13, given it is a right triangle.

13/12

400

Find cosx if the opposite side equal 33 and the hypotenuse is 65, given it is a right triangle. 

56/65

500

Find COT x if the adjacent side length is 8 and the hypotenuse is 6 sqrt{2}, given it is a right triangle

2 sqrt{2}

Evaluating Expressions on the Unit Circle

100

Find sin of pi/4 

sqrt 2/2

200

Find Sec 60

2

300

Find CSC pi/6

2

400

Find sec 2pi/3

-2

500

Find cot of pi/3

sqrt 3 /3

Evaluating Expressions

100

Find Sin 84

0.994

200

Find Sec 88

28.65

300

Tan 2pi/5

3.0777

400

Find csc 5pi/11

1.01

500

Find Cot 2pi/7

0.797