SOLUTION: (cosx - isinx)^5
Algebra.Com
Question 1084358: (cosx - isinx)^5
Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!
where
and
---
and
so:
Using and for
lets us simplify to:
RELATED QUESTIONS
Prove that {{{(1+cosx+isinx)^k + (1+cosx-isinx)^k}}}... (answered by ikleyn)
solve the following equation Z^7=1 Leaving your answer in the form r(cosx+isinx) where... (answered by Alan3354)
1.Solve Z^7=1 and leave your answer in the form r(cosx+isinx) where... (answered by Alan3354)
Q.1. Find the fourth roots of -1.
Q.2. If 3/(2+cosx + isinx )=a+ib,then prove that... (answered by stanbon)
Use the complex number cosx + isinx to find the constants A, B, C in the identity
cos4x... (answered by ikleyn)
Solve... (answered by Boreal)
cosx=3/5 o (answered by Alan3354)
if cosx=4/5 find sinx for... (answered by jim_thompson5910)
if cotx + cosecx = 1.5, then prove that cosx =... (answered by lwsshak3)