Find the sign of expression sin100°+cos100°
CBSE, JEE, NEET, CUET
Question Bank, Mock Tests, Exam Papers
NCERT Solutions, Sample Papers, Notes, Videos
Posted by A@Kash Kumar 3 years, 5 months ago
- 2 answers
Gaurav Seth 3 years, 5 months ago
sin 100° + cos 100°
= sin100° + cos(90°+10°)
[cos 10° becomes sin 10°]
= sin100° + sin 10°
by the formula,
sin C + sin D = 2cos sin
= 2cos sin
= 2cos sin
= 2cos55° + sin45°
= 2cos55° + 1/√2
=√2.√2 cos55° .1/√2
= √2cos55°
Related Questions
Posted by Adi Manav 2 weeks, 3 days ago
- 0 answers
Posted by Prince Kumar 1 week, 1 day ago
- 0 answers
Posted by Not Fine Bro 🎭 1 week, 3 days ago
- 0 answers
Posted by Aditya Vinayak 2 weeks, 4 days ago
- 0 answers
Posted by Ayush Alpha 2 weeks, 5 days ago
- 0 answers
Posted by Saloni Sharma 3 weeks, 4 days ago
- 0 answers
Posted by Shraddha Mathur 1 week ago
- 0 answers
Posted by Ayush Alpha 2 weeks, 5 days 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
Jaya Jeevan 3 years, 5 months ago
0Thank You