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Answer - Class 10 PDF Download
(CosecA-sinA )( secA-cosA )=1÷ tanA + cotA?
Ref: https://edurev.in/question/573793/CosecA-sinA-secA-cosA-1÷-tanA-cotA-
Lhs = (cosecA - sin A)(secA - cosA)
= (1/sinA - sinA) ( 1/cosA - cosA)
= [ (1- sin²A)/sinA] [(1-cos²A)/cosA]
= [cos²A/sinA * sin²A/cosA]
=[cos²Asin²A/sinAcosA]
= cosAsinA
Solve rhs by simplifying it to sinA.cosA.
You can solve it by seeing the image also...
= (1/sinA - sinA) ( 1/cosA - cosA)
= [ (1- sin²A)/sinA] [(1-cos²A)/cosA]
= [cos²A/sinA * sin²A/cosA]
=[cos²Asin²A/sinAcosA]
= cosAsinA
Solve rhs by simplifying it to sinA.cosA.
You can solve it by seeing the image also...
FAQs on Answer - Class 10
| 1. What is the importance of exams in Class 10? |  |
Ans. Exams in Class 10 are important as they evaluate a student's understanding and knowledge in various subjects. They help in identifying the areas where students need improvement and also act as a benchmark for their academic performance. Additionally, Class 10 exams play a crucial role in determining a student's eligibility for further studies or career choices.
| 2. How should I prepare for Class 10 exams effectively? | |
Ans. To prepare effectively for Class 10 exams, it is important to create a study schedule and stick to it. Focus on understanding the concepts rather than rote learning. Practice previous year question papers and sample papers to familiarize yourself with the exam pattern and time management. Additionally, take regular breaks, maintain a healthy lifestyle, and seek help from teachers or classmates whenever required.
| 3. Are Class 10 board exams difficult? | |
Ans. Class 10 board exams can be challenging, but with proper preparation and dedication, they can be overcome. It is essential to have a clear understanding of the topics, practice regularly, and revise thoroughly. By following a systematic study plan and staying focused, one can confidently face the Class 10 board exams.
| 4. How can I manage exam stress during Class 10? | |
Ans. Exam stress can be managed by adopting certain strategies. Start preparing well in advance to avoid last-minute cramming. Break down the syllabus into smaller sections and study them systematically. Practice relaxation techniques like deep breathing, meditation, or physical exercise to reduce anxiety. Maintain a balanced diet, get enough sleep, and avoid comparing yourself with others. Remember that stress is normal, and with a positive mindset, you can overcome it.
| 5. What should I do if I perform poorly in Class 10 exams? | |
Ans. If you perform poorly in Class 10 exams, it is important not to lose hope. Analyze the reasons for your poor performance, identify the areas where you struggled, and seek guidance from teachers or tutors to improve. Use this experience as a learning opportunity and work on developing better study habits and techniques. Remember that one exam does not define your future, and with hard work and determination, you can bounce back and achieve success.
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Nov 24, 2024 Last updated |
Document Description: Answer for Class 10 2024 is part of Class 10 preparation. The notes and questions for Answer have been prepared according to the Class 10 exam syllabus. Information about Answer covers topics like and Answer Example, for Class 10 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Answer.
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