give the cosine and sine values for o, 30, 45, 60, and 90 degrees,
cosine 0 = 1, cosine 30 = sqrt(3)/2, cosine 45 = sqrt(2)/2, cosine 60 = 1/2, cosine 90 = 0 sine 0 = 0, sine 30 = 1/2, sine 45 = sqrt(2)/2, sine 60 = sqrt(3)/2, sine 90 = 1
Why must we learn about the history of our nation? give an example
Because nothing is one sided, every effect in history has more than one cause. example the civil war, Slavery wasn't the only issue, economics, state rights, and a way of life were all reasons people went to battle.
What is the most important thing to know about this field?
the professional has to do it multiple times with multiple iterations before the job is done, i.e. you have to do it again and again and again.