Answer:
<em>Answer: choice D.</em>
Step-by-step explanation:
<u>Trigonometric Functions</u>
We need to recall some properties and definitions of the trigonometric functions.
We need to simplify the following expression:
Substituting the identity for the secant:
Operating:
Substituting the definition of the tangent:
Correct choice D.
Answer:
9
Step-by-step explanation:
1, 3, 5, 9, 15, 19, 19
Congrats on your first question!
Answer: x=57
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1/3(3x+9)=60
x+3=60
x=57