UPSC CDS 1 2023 Math Paper

© examsiri.com

Question : 51 of 100

Marks: +1, -0

What is the value of ‌

cos‌2⁡32‌∘‌‌+‌cos‌2⁡58‌∘‌

sec‌2⁡50∘−cot2⁡40∘

+ 4 tan 13° tan 37° tan 53° tan 77° ?

2
3
4
5

Go to Question:

Prev Question

Next Question