Solving Trigonometric Equations by Factoring (7.4.2)

Question 1

• When solving trig equations by factoring, try to isolate all the terms on one side of the equation and set it equal to zero. Then, factor that side of the equation so that the equation equals zero where the factors equal zero.

Answer 1

• When solving trig equations by factoring, try to isolate all the terms on one side of the equation and set it equal to zero. Then, factor that side of the equation so that the equation equals zero where the factors equal zero.

Question 2

• Review: Since trig functions are periodic, trig equations can have many solutions. To find all the possible solutions to a trig equation, find the solutions for a single period and then add multiples of the period to those solutions.

Answer 2

• Review: Since trig functions are periodic, trig equations can have many solutions. To find all the possible solutions to a trig equation, find the solutions for a single period and then add multiples of the period to those solutions.