To get the answer you would have to subtract 23 from both sides and you would get
X+23-23= 63-23
this would leave you with
X= 40
Answer:
c.
Step-by-step explanation:
Both are correct.
Good job!
Answer:
see explanation
Step-by-step explanation:
Using the identity
tan²x = sec²x - 1
Consider left side
sec²x + tan²x
= sec²x + sec²x - 1
= 2sec²x - 1
= right side , thus verified