defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Trigonometry Multiple and Sub-multiple Angles

What is \({\sin ^2}66\frac{{1^\circ }}{2} - {\sin ^2}23\frac{{1^\circ }}{2}\) equal to?

1
sin 47°
2
cos 47°
3
2 sin 47°
4
2 cos 47°
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