Use the table of trigonometric ratios /in a picture/.
Answer: m∠A ≈ 70°
Y+6x=11;x=-2,0,4
1 answer:
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Given:
The logarithmic expression is:
To find:
The equivalent expression of given expression by using change-of-base formula.
Solution:
The change-of-base formula is:
The given expression is:
Using the change-of-base formula, we get
Where, is a constant and c>0.
Let , then
Therefore, the correct option is a.