Question

Hallar 4x, si: sec(2x + 10°) = csc(5x + 10°) ​

Answer 1

Explicación paso a paso:

sec(2x + 10°) = csc(5x + 10°) 

2x + 10 + 5x + 10 = 90

7x + 20 = 90

7x = 70

x = 10

Piden :

4x = 40