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If cos + sin =5/2 then …

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If cos + sin =5/2 then cos^2 + sin ^2

Posted by Harsh Jain 4 years ago

CBSE > Class 10 > Mathematics

4 answers

Gungun Kumari 4 years ago

(Cos+sin)^2=5/2^2 Cos^2+2cos.sin+sin^2=25/4 Cos^2+sin^2=25/4-2 Cos^2+sin^2=17/4

Abhinav Goyal 4 years ago

cos^2+sin^2=1

Mansi Sharma 4 years ago

Please help I want answers of this chapter

Mansi Sharma 4 years ago

Chapter 6 triangle

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