Tan a=1÷3, tan b=1÷2 prove that …
CBSE, JEE, NEET, CUET
Question Bank, Mock Tests, Exam Papers
NCERT Solutions, Sample Papers, Notes, Videos
Posted by Gurleen Kaur 7 years, 1 month ago
- 1 answers
Related Questions
Posted by Adi Manav 1 month, 1 week ago
- 0 answers
Posted by Anant Gautam 2 weeks, 2 days ago
- 0 answers
Posted by Shraddha Mathur 1 month ago
- 0 answers
Posted by Not Fine Bro 🎭 1 month ago
- 0 answers
Posted by Rishi Raj Singh 1 day, 4 hours ago
- 0 answers
Posted by Siddhi Jadhav 2 days, 3 hours ago
- 0 answers
Posted by Aditya Vinayak 1 month, 2 weeks ago
- 0 answers
myCBSEguide
Trusted by 1 Crore+ Students
Test Generator
Create papers online. It's FREE.
CUET Mock Tests
75,000+ questions to practice only on myCBSEguide app
Rashmi Bajpayee 7 years, 1 month ago
sin 2(a + b) = 1
2 tan(a + b)/{1 - tan2(a + b)} = 1
2[(tan a + tan b)/(1 - tana.tanb)]/[1 + {(tan a + tan b)/(1 - tana.tanb)}2] = 1
2{(1/3 + 1/2)/1 - 1/3 x 1/2)]/[1 +{(1/3 + 1/2)/(1 - tan a .tan b)}2] = 1
2[(5/6)/(5/6)]/[1 + {(5/6)/(5/6)}2] = 1
2/[1 + 1] = 1
2/2 = 1
1 = 1
Hence proved.
2Thank You