Q. If secA + tanA = a, then the value of cosA is
A) 2aa2+1
B) a2+12a
C) 2aa2-1
D) a2-12a
✔ Correct Answer: 2aa2+1
Exam Insight
-
Related Questions
See also
Article
- Khakee: The Bengal Chapter – Everything You Need to Know
- भारत–यूरोपीय संघ मुक्त व्यापार समझौता (FTA) क्या है? | Current Affairs Analysis in Hindi
- Uruguay's New President Yamandu Orsi
- Govt of India Appointed ONGC New Director Arunangshu Sarkar
- Ningol Chakouba Festival: A Celebration of Love and Bonding in Manipur
- Sequence and Series – Important Formulas (Complete Chapter Notes)
- Upcoming Blockbuster Movies of 2025: Must-Watch Releases for Every Genre
Info
- कूनो नेशनल पार्क
- Understanding and Maximizing Offer Value: A Guide for Businesses
- Understanding and Maximizing Offer Value: A Guide for Businesses
- Understanding and Maximizing Customer Value: A Comprehensive Guide
- Customer Lifetime Value (CLTV): How to Calculate & Maximize It
- Netflix's High Production Value: A Deep Dive into its Success
- How to Create Engaging Content: Strategies for Audience Connection
- Cultural Considerations: Navigating Global Diversity for Success
- Understanding the Broken Bar Symbol: The Versatile Pipe (|)
- Understanding and Applying Specific Thresholds in Data Analysis
- Understanding Jamun (Black Plum) Nutritional Benefits and Uses
- भारतीय संस्कृति (Indian Culture): इतिहास, परंपराएं और मूल्य | Discover India's Rich Heritage
- Family and National Duty: A Balancing Act in Modern Society
- Understanding Data Representation: How Computers Store Information
- Understanding the Significance of the Tamil Phrase: "à ¤Âà ¤°à ¤¤à ¤¨à ¤Ÿ-à ¤ªà ¤°à ¤¯à ¤œà ¤¨"
- More Personal Stakes: Understanding Higher Personal Risk in Decisions
- Understanding Legacy: Its Meaning, Types, and Importance
- Awards and Recognition: Celebrating Excellence
- Sound Macroeconomic Policies: Driving Sustainable Economic Growth
- Understanding the Tamil Phrase: அன்புள்ள-ஆசிரியர்-அன்பு
- Decoding the Unicode Sequence: 3- à ¤ ® à ¤ ¹ à ¤ ² à ¤ 
- Understanding the Unicode Character Sequence: àÃÂäÃÂìàÃÂäÃÂêàÃÂäÃÂÃÂàÃÂäÃÂøàÃÂäÃÂø
- Decoding the Unicode Character Sequence: àäõàäÿàäçàäþàäèàäêàäðàäÿàä÷àäæ
- Engage Actively: How to Boost Participation and Motivation
- Technology and Culture: A Symbiotic Relationship
- A Tapestry of Culture: Exploring the Rich Diversity of Human Societies
- Unearthing the Past: The Profound Significance of Historical Artifacts
- Understanding the Complexities of Encoded Text: Decoding and Analysis
- BAPS Swaminarayan Sanstha: Faith, Culture, and Community
- Data Management: Best Practices and Strategies for Success
- The Power of In-Person Events: Unlocking Connection, Engagement & Growth
- The Origin and Meaning of the Name Гиняз-Эль (Ginyaz-El)
- Mastering Effective Organizational Management: Principles and Practices
- Decoding Unique Identifiers: An Exploration of Special Typographic Symbols like §, ¶, ¤, ±, ß, £
- Decoding Complex Scientific Notations: Understanding Symbols Like °, ±, ³, and µ
- Contact Us | Get in Touch with Our Team
- Understanding "and" and "quot" in HTML and XML
- Summer Quinn: Biography, Career, and Legacy
- Understanding the Significance of शकष-पर-परà¤à¤µ (Hindi Word)
- Understanding the Sinhala Phrase: ආශිර්වාද-පිරි-සිත-සුව-පිණිස
- Understanding the Hindi Phrase: सरà¤à¤°-à¤-पहल
- Understanding the Unicode Character Sequence: à ¤¶à ¤â¢Ã ¤·à ¤â¢Ã ¤â¦Ã ¤§à ¤â¢Ã ¤°
- Understanding Healthy Relationships: Building Strong Connections
- Testbook Logo: A Visual Representation of Learning and Success
- Be Genuine: Authenticity in the Digital Age
- Understanding Other Faiths: A Journey of Respect and Learning
- Understanding Impact and Significance: A Comprehensive Guide
- Understanding the Unicode Character Sequence: ¤¢£¥©
- Tolerance and Inclusivity: Building a Better World
- Career Coaching: Unlock Your Potential with Expert Guidance
- Nifty 50 Index Fund: A Comprehensive Guide for Investors
- Understanding Social Norms and Traditions: A Global Perspective
📚 Explore Knowledge
Browse Articles by Category
Explore educational articles, current affairs, science, technology, history, politics, business and hundreds of learning resources organized into categories.
39
Categories
📘
International Relation
📘
World News
📘
India News
📘
Current Affairs General Awareness
📘
Entertainment
📘
Sports
📘
Movies
📘
Food
📘
Technology
📘
Games
📘
Shopping
📘
Business
📘
Health
📘
Politics
📘
History
📘
Geography
📘
Science And Technology
📘
Social
📘
Reviews (Books, Movies, Music, Etc.)
📘
Career
📘
Education
📘
Research
📘
News
📘
Blog
📘
Research Journals
📘
Documentary
📘
Cybersecurity
📘
Space
📘
Environment
📘
Medicine
📘
Economics
📘
Literature
📘
Philosophy
📘
Religion
📘
Arts And Culture
📘
Beauty
📘
Fashion
📘
Travel
📘
Other
🎯 Popular Topics
Explore the most searched educational topics.
🚀 Find Jobs by State & Department
Explore Sarkari Jobs, Admit Cards & Results easily on TutorliV
🔥 Popular Job Categories
UPSC
SSC
POLICE
DEFENCE
BANK
SPSC
JUDICIARY
AllIndia
ANDHRA PRADESH
ARUNACHAL PRADESH
ASSAM
BIHAR
CHHATTISGARH
GOA
GUJARAT
HARYANA
HIMACHAL PRADESH
JAMMU AND KASHMIR
JHARKHAND
KARNATAKA
KERALA
MADHYA PRADESH
MAHARASHTRA
MANIPUR
MEGHALAYA
MIZORAM
NAGALAND
ODISHA
PUNJAB
RAJASTHAN
SIKKIM
TAMIL NADU
TELANGANA
TRIPURA
UTTARAKHAND
UTTAR PRADESH
WEST BENGAL
ANDAMAN AND NICOBAR
CHANDIGARH
DADRA AND NAGAR HAVELI
DAMAN AND DIU
DELHI
LAKSHADWEEP
PUDUCHERRY
📚 Subject-wise MCQs Practice
Practice topic-wise MCQs for competitive exams like SSC, UPSC, Banking & more.
General Knowledge
Mathematics
Reasoning
Physics
Chemistry
English
General Science
Biology
Indian History
World History
Indian Geography
World Geography
Polity
Economics
Sociology
Political Science
Sports
Famous Places
Awards and Honours
Famous People
Day and Event
Books and Authors
Current Affairs
Computer Knowledge