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Mathematics 16 Online
OpenStudy (eric_d):

Chap 5 5)a)

OpenStudy (eric_d):

http://prntscr.com/4jxi7k

OpenStudy (eric_d):

@ikram002p

OpenStudy (eric_d):

@ganeshie8

ganeshie8 (ganeshie8):

do you have something about tangents of ellipses in your notes ?

OpenStudy (eric_d):

I think so

ganeshie8 (ganeshie8):

take a screeshot and attach

OpenStudy (eric_d):

okay

ganeshie8 (ganeshie8):

third screenshot has better formulas

ganeshie8 (ganeshie8):

equation of tangent at point \((a\cos \theta , ~b\sin \theta)\) is \[\large \dfrac{x\cos \theta}{a} + \dfrac{y \sin \theta }{b} = 1\]

ganeshie8 (ganeshie8):

right ?

OpenStudy (eric_d):

yes

ganeshie8 (ganeshie8):

look at 5a what are you given ?

OpenStudy (eric_d):

I just need to plug in the given values

ganeshie8 (ganeshie8):

exactly ! you need to figure out \(a\),\(b\) and \(\theta \) values from the given info and plugin

OpenStudy (eric_d):

|dw:1410170363685:dw|

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