9 + x > (equal to or greater than) 15
6 more students need to sign up because 15-9=6
Answer:
cos x ≠ 0 ⇔ x ≠
; k ∈ N

<=> cos²x + sin²x = 1
⇔ 1 = 1
=> x = { R \ (pi/2 + k.pi); k ∈ N}
Step-by-step explanation:
The answer is d dtunbfdrtuikngfetuungdruijgrresssaaaaaweerttyuuiioopllmnvcxsawr
Answer:
19
Step-by-step explanation:
16+3=19 the key word total means you add