3^x = 729
log(3^x) = log(729)
xlog(3) = log(729)
x = log(729)/log(3)
x = 6
Answer:
A,D,E, and F
Step-by-step explanation:
They all equal -1/4.
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
Answer:
126
Step-by-step explanation:
Answer:
D) 
Step-by-step explanation:
Hi there!
The correct answer is D.
is the same as
, which is the same as
.
I hope this helps!