**Trigonometric Equations**

**Ex 1** Solve the equation for .

**Sol** a) or b) , so a) or or b) .

**Ex 2** Find all solutions of the equation .

**Sol** gives ; and for (where is any integer)
and

for (where is any integer).

Combining these solutions gives that , where k is any integer.

**Pr A** Find all solutions of the equation .

**Pr B** Solve the equation for .

**Pr C** Solve the equation for .

**Pr 1** Solve the equation for .

**Pr 2** Solve the equation for .

**Pr 3** Solve the equation for .

**Pr 4** Find all solutions of the equation .

**Pr 5** Solve the equation for .

**Pr 6** Solve the equation for .

**Pr 7** Solve the equation for .

**Pr 8** Solve the equation for .

Lawrence Marx 2004-04-09