alleryStart learning →Compute sin 60° · cos 30° − cos 60° · sin 30°.
- 1/2
- √3/4
- 1
- 0
Show answer and solution
Correct answer: A. 1/2
(√3/2)(√3/2) − (1/2)(1/2) = 3/4 − 1/4 = 1/2.
Andhra Pradesh SSC (Class 10) Introduction to Trigonometry — practice questions — page 2
Explore 46 free Introduction to Trigonometry questions in Andhra Pradesh SSC (Class 10) Mathematics. Open each question or exercise to read its content, reference answers and available explanation.
Practise Introduction to Trigonometry with Quill →Introduction to Trigonometry questions and exercises with answers
Showing questions 31–46 of 46.
Compute sin 60° · cos 30° − cos 60° · sin 30°.Read the answer and worked solution →Find tan 30° · tan 60°.Read the answer and worked solution →If sin A = 1/2, find cos²A.Read the answer and worked solution →Simplify sec²θ − tan²θ.Read the answer and worked solution →Simplify (1 − cos²θ) / sin²θ for sin θ ≠ 0.Read the answer and worked solution →If sec A = 5/3, find tan A.Read the answer and worked solution →Simplify (sin A + cos A)² + (sin A − cos A)².Read the answer and worked solution →Prove or evaluate: (1 + tan²A)(1 − sin²A).Read the answer and worked solution →The value of sin 30° is:Read the answer and worked solution →The identity sin²θ + cos²θ equals:Read the answer and worked solution →If a tower 30 m tall casts a shadow of 30 m, the angle of elevation of the sun is:Read the answer and worked solution →Angle of depression is measured from:Read the answer and worked solution →If sin θ = 1/2, then θ equals:Read the answer and worked solution →CLASS10 · Mathematics · Trigonometric RatiosRead the answer and worked solution →CLASS10 · Mathematics · Standard Angle ValuesRead the answer and worked solution →CLASS10 · Mathematics · Heights & Distances — Solve in OrderRead the answer and worked solution →
Worked practice questions
Find tan 30° · tan 60°.
- 1/√3
- 1
- 0
- √3
Show answer and solution
Correct answer: B. 1
(1/√3) · √3 = 1.
If sin A = 1/2, find cos²A.
- 3/4
- 1/2
- 1/4
- 1
Show answer and solution
Correct answer: A. 3/4
sin²A + cos²A = 1, so cos²A = 1 − (1/2)² = 1 − 1/4 = 3/4.
How to practise
- Choose a Introduction to Trigonometry question and try to work out your answer.
- Open the question to check the correct answer and read its worked solution.
- Continue in the app for bite-sized lessons, explanations and review with Quill. You can start without creating an account.
Put it into practice
Continue with Introduction to Trigonometry practice for Andhra Pradesh SSC (Class 10). Read explanations as you go. No signup form needed to start.
Practise Introduction to Trigonometry →