Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = - 
, sin ? > 0Find cos 
.
A. 
B. 
C. - 
D. - 
Answer: B
Mathematics
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Express the number in exponential form.
A. 6.79e0.801j B. 45.9e6.79j C. 6.79e45.9j D. 0.801e6.79j
Mathematics
Find the first four nonzero terms of the Maclaurin expansion of the given function.f(x) = sin 3x
A. 3x - 27x3 + 243x5 - 2187x7 + ...
B. 3x - 
+ 
- 
+ ...
C. 3x - 
+ 
- 
+ ...
D. 3x - 
+ 
- 
+ ...
Mathematics
Write an equivalent expression. Use an associative law.7 + (s + t)
A. (7 + s) + t B. 7 + (t + s) C. (s + t) + 7 D. 7(s + t)
Mathematics
Provide an appropriate response.Find transpose of 
.
What will be an ideal response?
Mathematics