Question

c+1/s-1+s-1/c+1=2
trigonometría​

Answer 1

Respuesta:

-2

Explicación paso a paso:

C = 10K , S = 9K

(C+1)²+ (S-1)²/(S-1)(C+1) = 2

(10K+1)² +(9K-1)²= 2 (9K-1)(10K+1)

100K² +20K +1 +81K²-18K +1 =2 (90K²+9K-10K-1)

181K²+2K+2 = 180K²-2K-2

K²+4K+4 = 0

(K+2)²=0

K+2=0

K=-2