Question

Ayudaaa
A= 3Tan45° + Csc²30° - 5Cos37°

Answer 1

Tan(46°)=1
Csc^2(30°)=4
Cos(37°)=0.79

Entonces

A=3(1)+4+5(0.79)
A=3+4-3.95
A=3.05

Answer 2

tan 45°= 1
csc30° =2
cos 37°= 4/5

A= 3Tan45° + Csc²30° - 5Cos37°
A=   3(1) + 2²- 5(4/5)
A=3+4-4
A=3