Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Trigonometry Trigonometric Functions
What is the value of the following?
(sin 24° + cos 66°)(sin 24° - cos 66°)
1
-1
2
0
3
1
4
More than one of the above
5
None of the above