Binomial Theorem
Not what you're looking for?
(a)Express e-½iθ-e½iθ in trigonometric form, and show that (1-eiθ)2 = -4eiθsin2 ½θ.
(b) For a positive integer n, series C and S are given by
where is binomial coefficient. By considering the expansion of
(1-y)2n show that C = (-4)n cos nθsin2n (½θ) , and find a similar expression
for S.
Purchase this Solution
Solution Summary
Binomial Theorem is also assessed.
Purchase this Solution
Free BrainMass Quizzes
Solving quadratic inequalities
This quiz test you on how well you are familiar with solving quadratic inequalities.
Probability Quiz
Some questions on probability
Graphs and Functions
This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.
Geometry - Real Life Application Problems
Understanding of how geometry applies to in real-world contexts
Multiplying Complex Numbers
This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.