Simplifying expressions using basic identities (e.g., , double angle formulas, and addition formulas). Trigonometric Equations: Solving basic equations like , or those requiring factoring and substitution.
A "C-level" task involving a parameter or a system of trigonometric equations. Preparation Tips Simplifying expressions using basic identities (e
Prove a trigonometric identity or simplify a complex fraction involving tantangent cotcotangent Simplifying expressions using basic identities (e.g.