AMC 10/12

Mountain with a flag at the peak

Textbook

1. Introduction

2. Algebra

2.1 Manipulation

2.2 Functions (polynomial)

2.3 Functions (trigonometric)

2.4 Functions (exponential and logarithmic)

2.5 Functions (sequences)

2.6 Functions (other)

3. Geometry

4. Number theory

5. Probability

6. Combinatorics

7. What's next?

2.3 Functions (trigonometric)

Achievable AMC 10/12

2. Algebra

Functions (trigonometric)

1 min read

Trigonometric functions

Are you good enough with trig functions to do great on the AMC?

In order to answer “yes,” you should know all of the following, without any hints or prompting:

the double-angle formulas for $sin$ , $cos$ , and $tan$
the sum and difference formulas for $sin$ , $cos$ , and $tan$
what the graphs of $sin$ , $cos$ , and $tan$ look like

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