Question

Si Tg(80°-2x) ctg(7x+8°)=1
Halle R: Sec(8x-4°) + csc²(5x+5°) ​

Answer 1

Respuesta:

 1/2 3 /5 4/5 cos 4/5 3/5 1/2 tg 3/4 1 4/3 ctg 4/3 1 3/4 sec 5/4 5 /3 ... Si sec(5x