21 Trigonometric – TheWorksheets.CoM – Page 2

21 Trigonometric Identities Worksheet - University of Kentucky

{ Pythagorean Identities { Periodicity Identities { Negative Angle Identitites (Sections 6.6 & 7.1) 1. Find the period, phase shift, and sketch the graph of y = 2csc(2x ˇ 2). 2. Find all solutions to the equation tan( ) = cot( ) for 0 < < ˇ 3. Use the Pythagorean identity for each of the following problems. (a) Find sin(t) if cos(t) = 2 p 10 ...