## Form 4 & 5 Unit 10 Lesson 7: Sine, Cosine and Tangent for any angle (acute, obtuse and reflex)

Lesson 7 – Sine, Cosine and Tangent for any angle (acute, obtuse and reflex) Objectives At the end of the lesson, students should be able to: Demonstrate a clear understanding between sine, cosine and tangent of complementary and supplementary angles. Solve basic trigonometric equations. Know and use the reciprocals of the trigonometric ratios. Basic trigonometric …