Q. If cos 21° = x/y, then cosec 21° - cos 69° is equal to
A) y2xy2-x2
B) x2yy2-x2
C) x2yx2-y2
D) y2xx2-y2
✔ Correct Answer: x2yy2-x2
Exam Insight
-
Related Questions
See also
Article
- Today Current Affairs – 21 November 2025 | Daily Updates for SSC, Railway, Banking, Defence, Police, UPSC
- Recent Developments in India and Global Affairs (Nov 14- 19, 2025)
- Today Current Affairs – 20 November 2025 | Daily Updates for SSC, Railway, Banking, Defence, Police, UPSC
- Daily Current Affairs – 24 November 2025 | Daily Updates used for Sarkari Naukri like SSC, Railway, Banking, Defence, Police & UPSC
- Important Days 2026: जनवरी से दिसंबर तक सभी महत्वपूर्ण दिवस
- Today Current Affairs – 22 November 2025 | Daily Updates for SSC, Railway, Banking, Defence, Police, UPSC
- Daily Current Affairs – 23 November 2025 | Daily Updates used for Sarkari Naukri like SSC, Railway, Banking, Defence, Police & UPSC
- UPSC History - Preparation Tips, Book and Author
- कोलकाता में अंतरराष्ट्रीय योग दिवस का आयोजन
- Top 50 Adult-Themed Movies (2000–2024)
- UPSC CDS Exam Preparation Guide: Complete Syllabus, Strategy & Tips for 2025
- Top Current Affairs May 29 2026: UCC, Yoga Day, GST, ISSF World Cup & More
- Dorjilung Hydroelectric Power Project — Bhutan
- Top 50 Mainstream Films That Boldly Explore Sexuality
- 2025 महिला कबड्डी वर्ल्ड कप — भारत की विश्व विजेता वापसी
- President Joe Biden drops out his name from 2024 US presidential election, Biden proposed Kamala Harris name for the president election.
- Easterine Kire’s Spirit Nights: A Triumph at the 2024 Sahitya Akademi Awards
- National Family Health Survey-5 (NFHS-5) Highlights 2021 – Must Know for UPSC, BPSC, SSC & Other Exams
- Who Won the T20 World Cup 2026 Final? Match Result & Highlights
- Pedro Alonso: मनी हाइस्ट के 'बर्लिन' की असली कहानी/Pedro Alonso: The Real Story of 'Berlin' from Money Heist
- States and Capitals in India – List of 28 States & 8 UT 2025
- भारत में लोकसभा और राज्यसभा सीटों की पूरी सूची 2025 (Descending Order) – Lok Sabha & Rajya Sabha Seats by State
- Current Affairs January - 2024- in Short description,- Exam Point of View
- Current Affairs for December 22, 2024: Sports Highlights, Literary Achievements, and Key Observances
- UPSC Economy - Preparation Tips, Book and Author
- Current Affairs 2026 | Last 6 months Current Affairs | 100+ Important Facts
- India Semiconductor Partnership with USA - Stock Jumped after PM Modi speaks about India’s semiconductor future
- Bima Sakhi Yojana - Government of India's Women Empowerment Scheme
- Maldives again comes in relationship with India- S Jaishankar and president Mohamed Muizz meet together on 9 Aug.
- Revolutionizing Tuberculosis Screening: The Role of AI-Powered Diagnostic Tools
- Test Articles Post on Page with some media
- Indian Navy SSC Executive (IT) – January 2026 Course (ST‑26)
- डॉ. एम. रविचंद्रन बने MoES सचिव: जानिए पूरी जानकारी
- गुजरात पिथोरा पेंटिंग GI टैग: जानिए पूरी जानकारी
- India e-Visa: 11 नए Entry Ports जोड़े गए
- Ambani's Reliance Industries layoffs approx 42000 employees, is in news.
- DEADPOOL & WOLVERINE - Releasing On 25 July 2024
- ताइवानी साहित्य के लिए ऐतिहासिक क्षण: ‘ताइवान ट्रैवलॉग’ ने जीता इंटरनेशनल बुकर प्राइज 2026
- क्या है 'One Nation, One Election' और कैसे काम करेगा | Proposal Accepted- INDIA NEWS
- विश्व का सबसे बड़ा सहस्रलिंगम शिवलिंग कहाँ है? | बिहार के पूर्वी चंपारण में
- भारत की पहली खुली समुद्री मछली पालन परियोजना जनवरी 2026 में अंडमान सागर में शुरू
- Mecca Pact 2026: Saudi Arabia, Pakistan और Türkiye Agreement
Post
Info
- In the Mood for Love (2000)
- Earth Summit 2025–26 Kicks Off in Hyderabad to Drive Rural Innovation
- Who is the CEO of TCS? - Current CEO of Tata Consultancy Services
- Aamir Khan's Sitaare Zameen Par Release Date & Details
- March: The Third Month of the Year
- บิทคอยน์ บล็อกเชน: คู่มือครบวงจรเกี่ยวกับสกุลเงินดิจิทัลและเทคโนโลยีเบื้องหลัง
- Aamir Khan's Sitaare Zameen Par: Release Date & Impact
- Amendments to the Prohibition of Child Marriage Act, 2006
- What is Bitcoin? A Beginner's Guide to Cryptocurrency
- Understanding and Calculating Percentage Averages
- Special Intensive Revision
- Understanding Age Limits: A Comprehensive Guide
- Child Marriage Restraint Act, 1929: A Comprehensive Overview
- Narendra Modi's Era: The Chief Ministership of Gujarat (2001-2014)
📚 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