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#1 2014-03-31 03:35:36

Agnishom
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From: Riemann Sphere
Registered: 2011-01-29
Posts: 24,974
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More triging - Help Me :(

Find the answers in terms of m and n

1. If tan x + sin x = m and tan x - sin x = n, then m^2 - n^2 = ___

2. m = cos x / cos y and n = cos x / sin y then (m^2 + n^2)cos^2 y = ___


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#2 2014-03-31 05:12:59

Bob
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Registered: 2010-06-20
Posts: 10,053

Re: More triging - Help Me :(

hi Agnishom,

(1)

I cannot see that this can be simplified further.



(2)

Again, that's as far as I can get.  smile

Bob


Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you!  …………….Bob smile

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