Answers edited by Alex
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How do you find the equation of a line tangent to the function
y=(x-2)(x^2+1)
at x=-1?
F(t)=sec pi t/4?
If
cos(t)=-7/8
with
pi<=t<=3pi/2
, how do you find the value of
cos(t/2)
?
How do you multiply
e^(( 5 pi )/ 4 i) * e^( 3 pi/2 i )
in trigonometric form?