The correct answer is B - the writer's identity.
Imagine if you received a letter, and you start reading it, but you have no idea who is it from! It would be confusing. The day, who you are, and your information will be located at the top of the letter, then include the name and information of the person receiving, in the same format.
Example:
(Insert your name)
123 ABC St.
New York City, NY 99999
April 1st, 2017
Dr. Patricia Brown
777 West Ave.
Los Angeles, CA 111111
Dear, Dr. Patricia Brown,
(Purpose for writing goes here)
(An expression of thanks)
Sincerely,
(Insert your name)
<span><span>A sine wave<span>, or </span>sinusoid, is the graph of the sine function in trigonometry<span>.
</span><span>A sinusoid is the name given to any curve that can be written in the form
</span></span>the equation is
</span>Sinusoidal Function:
<span>|A| = amplitude
B = cycles from 0 to
period =
D = vertical shift (or displacement)
C = horizontal shift </span><span>(sometimes called "phase shift" when </span>B <span>= 1)</span>
False. It can make things possessive. The cabin belonging to Tom becomes Tom’s cabin.
Cannot becomes can’t, but that is a contraction, not a conjunction.
Conjunctions are “linking” words like and, but, yet, or, nor, etc.