sin 75° + cos²15° = ?
Answers
Answered by
0
using identity sin(90-theta)=cos theta
and use sin theta+cos theta =1...
Answered by
0
we know that
and
now,
Similar questions
English,
5 months ago
Social Sciences,
5 months ago
Social Sciences,
5 months ago
English,
11 months ago
Math,
11 months ago
English,
1 year ago
Math,
1 year ago