Math, asked by kptharun9d, 6 months ago

The value of 3sin 70° sec 20°+ 2 sin 49° sec41° is

Answers

Answered by soumi603

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

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