Practice Worked Examples - 9 | 6. Trigonometric Identities and Graphs | (IB) Class 10 Mathematics – Group 5, Geometry & Trigonometry
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Prove: 1 + tan²θ = sec²θ at θ = 45°.

💡 Hint: Remember tan(45°) equals 1.

Question 2

Easy

Calculate sin(60°)² and cos(60°)². What do you get?

💡 Hint: Square each sine and cosine value.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the value of sin(30°)?

  • 1/2
  • √3/2
  • 1

💡 Hint: Think back to the unit circle values.

Question 2

Is sin²θ + cos²θ always equal to 1?

  • True
  • False

💡 Hint: Recall the identity for any angle θ.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Prove 1 + cot²θ = csc²θ by using specific angle values.

💡 Hint: Use known angle values to verify the equation.

Question 2

Sketch the transformation of y = sin(x + 90°) and explain the phase shift.

💡 Hint: Focus on phase adjustments in the graph.

Challenge and get performance evaluation