1.3 Trigonometric Functions

OpenStax Calculus Volume 1 — Section 1.3

Learning Objectives

  • Convert between degrees and radians fluently

  • Evaluate trig functions using the unit circle without a calculator

  • Graph \(\sin x\), \(\cos x\), \(\tan x\) and identify amplitude, period, phase shift

  • Apply fundamental trig identities (Pythagorean, double-angle, sum/difference)

Key Concepts

To be filled during study.

Practice Problems

To be completed with textbook exercises.

Section Summary

To be written after completing the section.

Study Notes

Personal observations and connections to engineering work.