TRUE. This is the Pythagorean identity and holds for all angles θ, not just in right triangles. It follows from the Pythagorean theorem applied to the unit circle or any right triangle.

Break down complex topics into smaller, manageable chunks for easier recall.

Zambia

• Naomi Miselo – 31 pts

• Distance of A Straight Line
• Mid-point of A Line
• Equation of a Straight Line
• Parallel and Perpendicular Lines
• COMMUNICATION SYSTEMS