Answer:
B. (11, -2)
Step-by-step explanation:
x.) 4 + 7 = 11
y.) -10 + 8 = -2
Step-by-step explanation:
102*100=10200
10200÷126=80.95
So the third one is correct
Answer: 19
Reasoning: the equation is 7 + (6 x 2) = 19
Step-by-step explanation:
sec x − cos x
Secant is the inverse of cosine:
(1 / cos x) − cos x
Find the common denominator:
(1 / cos x) − (cos² x / cos x)
Subtract:
(1 − cos² x) / cos x
