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 4 years, 5 months ago
- 2 answers
Gaurav Seth 4 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 Ananya Sv 7 months, 3 weeks ago
- 1 answers
Posted by Manoj Thakur 7 months, 2 weeks ago
- 0 answers
Posted by Ashish Chaudhary 7 months, 2 weeks ago
- 1 answers
Posted by Sethpoulou Apoulou 7 months, 3 weeks ago
- 0 answers
Posted by Gurleen Kaur 7 months, 3 weeks ago
- 0 answers
Posted by Sana Dharwad 7 months, 2 weeks ago
- 0 answers
Posted by Sabin Sultana 7 months, 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
Jaya Jeevan 4 years, 5 months ago
0Thank You