Mathematics · Trigonometry
यदि tan A = a tan B और sin A = b sin B है, तो cos2A का मान क्या है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1b2 - 1a2 - 1
- 2a2 + 1b2 + 1
- 3b2 + 1a2 + 1
- 4a2 - 1b2 - 1✓
सही उत्तर देखें
a2 - 1b2 - 1
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Mathematics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Trigonometry MCQs →Want more practice questions on Trigonometry?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Mathematics · Trigonometry