Answer:you cant
Step-by-step explanation:
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:
138.248cm²
Step-by-step explanation:
Surface area=2πrh + 2πr²
Surface area=2x3.142x2x9+ 2x3.142x2²
Surface area=113.112+25.136
Surface area=138.248cm²
Death lake would be the answer