The value of 3sin 70° sec 20°+ 2 sin 49° sec41° is
Answers
Answered by
4
Step-by-step explanation:
3sin70°sec20°+2sin49°sec41°
=3sin70°sec(90°-70°)+2sin49°sec(90°-49°)
=3.sin70°cosec70°+2sin49°cosec49°
=3.1+2.1
=3+2
=5
Similar questions