Question

Resolva
cosc225 + cotg225

Answer 1

cosec 225° + cotg 225°

1/sen 225° + cos 225°/sen 225°

(1 + cos 225°) / sen 225°

(1 - cos 45°) / - sen 45°

(1 - √2/2) / -√2/2

2(1 - √2/2) / -√2

(2 - √2) / -√2 * √2/√2

(2√2 - 2) / -2

1 - √2