Answer:
sorry but idk
Step-by-step explanation:
Hello,
Answer A.
Is-it clear enough for QualityGuard ?
Cos(x)/(1+sin(x) + (1+sin(x))/cos(x)=
cos²(x)/cos(x)(1+sin(x)) + (1+sin(x))²/cos(x)(1+sin(x))=
cos²(x)+1+2sin(x)+sin²(x) /cos(x)(1+sin(x))=
2+2sin(x) / cos(x)(1+sin(x))=
2(1+sin(x)) / cos(x)(1+sin(x))=
2/cos(x)=
2*sec(x)
Answer:
C & E
Step-by-step explanation:
hope it'll help you. if you need the explanation, just comment