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#1 2009-03-07 19:41:49
- Identity
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- Registered: 2007-04-18
- Posts: 934
trig simplification
A chute for unloading a transport plane has the side-view shown by
i) Find the equation for the inverse: [COMPLETED]
(I got
)ii) Engineers are modelling a new design for the chute: [UNCOMPLETED]
, where is found in i) above.Express the rule for this curve in the form:
, where r is a positive integer.I can't for the life of me see how I can simplify
! Help pleaseLast edited by Identity (2009-03-07 19:46:58)
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#2 2009-03-07 21:34:42
- Kurre
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- Registered: 2006-07-18
- Posts: 280
Re: trig simplification
Now use the conjugate rule and half angle formula for cosine
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#3 2009-03-07 22:24:10
- Identity
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- Registered: 2007-04-18
- Posts: 934
Re: trig simplification
thanks kurre! I thik I made a mistake factoring
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