Practice Trigonometric Ratios of Some Specific Angles - 8.3 | 8. INTRODUCTION TO TRIGONOMETRY | CBSE 10 Mathematics
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8.3 - Trigonometric Ratios of Some Specific Angles

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is sin 30°?

💡 Hint: Think about the opposite side in a right triangle with respect to the hypotenuse.

Question 2

Easy

What is cos 60°?

💡 Hint: Locate the adjacent side in a right triangle related to angle 60°.

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 60°?

  • √3/2
  • 1/2
  • 1

💡 Hint: Visualize a 30-60-90 triangle.

Question 2

Is cos 0° equal to 1?

  • True
  • False

💡 Hint: Consider what it means geometrically for the triangle.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

If sin(A) = √3/2, find angle A in degrees.

💡 Hint: Explore angles in the first and second quadrant.

Question 2

Using sine and cosine angles, prove that sin(90° - A) = cos(A).

💡 Hint: Employ the definitions of sine and cosine.

Challenge and get performance evaluation