8 - INTRODUCTION TO TRIGONOMETRY
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Practice Questions
Test your understanding with targeted questions
Define sine, cosine, and tangent based on a right triangle.
💡 Hint: Refer to SOHCAHTOA.
Calculate sin 30°.
💡 Hint: Look at the reference table of specific angles.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the sine of 30°?
💡 Hint: Check your angle value reference.
True or False: Cosine is the ratio of the adjacent side to the hypotenuse.
💡 Hint: Remember the sine and cosine definitions.
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Challenge Problems
Push your limits with advanced challenges
Given a right triangle with one angle at 30° and adjacent side length of 4 cm, find the length of the opposite side.
💡 Hint: Remember the tangent value for 30°.
Prove that (1 + tan²A) equals sec²A using a right triangle.
💡 Hint: Revisit the fundamental identities we discussed.
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Reference links
Supplementary resources to enhance your learning experience.