Question

ayuda con esta tarea de triangulos

Answer 1

k=( senA/secC)+(senC/secA)=

senA=sen45º=0.7

secC= 1/cosC=1/cos45º=1/0.7=1.428

senC=sen45º=0.7

secA=1/cosA=1/cos45º=1/0.7=1.428

sustituimos en la k

k=(0.7/1.428)+(0.7/1.428)=1  

es a) 1

Answer 2

180° = 90° + A + C

C + A = 90°

$K = \frac{senA}{secC} + \frac{senC}{secA}\\\\K = senA*cosC + senC*cosA\\\\K = sen(A + C)\\\\K = sen(90) = 1$