defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Triangles

त्रिभूज ABC में, AB = 16 सेमी, BC = 63 सेमी और AC = 65 सेमी है। cos 2A + cos 2B + cos 2C का मान कितना है?

1
-1
2
0
3
1
4
\(\frac{76}{65}\)
Share: WhatsApp Telegram X

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Other Tools: chatwiz.hivanix.in mmspace.hivanix.in unogame.hivanix.in

Quick Navigation

Home

Subjects

Chapters