Mathematics Class 9 Chapter 6: Trigonometry and Bearing
Premium chapter
Chapter summary
Chapter 6 of Mathematics for Class 9 is called "Trigonometry and Bearing". It covers 8 learning outcomes of the Federal Board syllabus. You will learn to: identify angles in standard position, expressed in; apply Pythagoras' theorem and the sine, cosine and. Parhayi.com has 476 MCQs, 91 short questions and 31 long questions for this chapter.
Topics in this chapter
- Identify angles in standard position, expressed in…
- Apply Pythagoras' theorem and the sine, cosine and…
- Solve real life trigonometric problems in two dimensions…
- Prove the trigonometric identities and apply them to show…
- Solve real life problems involving trigonometric…
- Interpret and use three figure bearings
- Solve problems involving bearing
- Apply the concepts of trigonometry…
Sample questions
Try these questions from the chapter. The answers are for Premium students.
- Convert (i) \(135^\circ\) into radians (in terms of \(\pi\)); (ii) \(\frac{5\pi}{6}\) radians into degrees. (3 marks)
- Prove that: \((\sec\theta-\tan\theta)^2=\frac{1-\sin\theta}{1+\sin\theta}\) (3 marks)
- A ship is sailing on a bearing of \(310^\circ\). It turns \(100^\circ\) to the right and sails for some time. Find its new bearing. Then it makes a U-turn. Find the bearing after the U-turn. (3 marks)
What Premium gives you in this chapter
- 476 MCQs with answers and explanations
- 91 short questions with full answers
- 31 long questions with answers
- 14 Learn cards
- 10 Activities and games
- chapter tests that show your weak topics
Mathematics grows step by step. Read the rule, study one worked example, then solve similar questions yourself and check every step.
You have Premium
Use the buttons above to practise this chapter or take a test.