How to solve a trigonometric equation zero product property

The video tutorial covers solving trigonometric equations involving tangent and cosine. It begins by setting equations to zero and explores angles where tangent equals -1, specifically at 3π/4 and 7π/4. The tutorial also identifies when cosine equals -1, which occurs at π. The explanations include references to the unit circle and the properties of trigonometric functions.

What is the zero product property used for in trigonometric equations?

• To find the sum of angles

• To set each factor equal to zero

• To divide angles

• To multiply angles

Which of the following angles has a tangent value of -1?

• 2π

• π

• 3π/4

• π/2

In which quadrant is the tangent of an angle negative?

• Third quadrant

• Second quadrant

• Fourth quadrant

• First quadrant

What is the reference angle for 7π/4?

• π/4

• π/2

• π/3

• π/6

At which angle is the cosine of Theta equal to -1?

• π

• 2π

• π/2

• 3π/2