Practice Values of Trigonometric Ratios for Standard Angles - 7.5 | 7. Trigonometry | ICSE Class 9 Maths
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7.5 - Values of Trigonometric Ratios for Standard Angles

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is sin(0°)?

💡 Hint: Think about the ratio of the opposite side to the hypotenuse when the angle is 0°.

Question 2

Easy

What is cos(90°)?

💡 Hint: Consider what happens to the adjacent side when the angle is 90°.

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 sin(30°)?

  • 0
  • 1/2
  • √2/2

💡 Hint: Think about the values you memorized for standard angles.

Question 2

True or False: tan(90°) is defined.

  • True
  • False

💡 Hint: Consider what happens at 90° in relation to the sides of a triangle.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Calculate the values of sin, cos, and tan for angles 0°, 30°, 45°, 60°, and 90° using a right triangle model.

💡 Hint: Make sure to visualize each angle in a triangle setup.

Question 2

Using the ratios identified, determine the height of a triangle if the hypotenuse is 10 units and the angle is 30°.

💡 Hint: Remember to rearrange the sine formula to solve for height.

Challenge and get performance evaluation