Practice Trigonometric Identities - 5.3 | 5. Trigonometry | ICSE Class 10 Maths
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5.3 - Trigonometric Identities

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

State the Pythagorean identity.

💡 Hint: Think about the relationship between sine and cosine.

Question 2

Easy

What is tan45°?

💡 Hint: Consider the triangle formed in a 45°-45°-90° triangle.

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 Pythagorean identity?

💡 Hint: Think of a right triangle.

Question 2

Is the identity 1 + tan²θ = sec²θ always true?

  • True
  • False

💡 Hint: Think about how secant relates to tangent.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Demonstrate that the identity 1 + cot²θ = csc²θ holds true for θ = 30°.

💡 Hint: Remember the definitions of cotangent and cosecant.

Question 2

If sin²A + cos²A = 1 and tanA = 2, find the values of sinA and cosA.

💡 Hint: Substitute tan in terms of sine and cosine.

Challenge and get performance evaluation