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![[Post New]](/templates/default/images/icon_minipost_new.gif) 28 Mar 2007 23:53:17 IST
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Tan6 20+Tan420+Tan2 20=
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29 Mar 2007 07:49:58 IST
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Given equation is equal to tan220 ( sec420 - tan220 ) < using (1+tan220)2 = 1+tan420+2tan220 = sec420> = - tan2 20
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29 Mar 2007 15:29:04 IST
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hey how did u get the last step? !!!!
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Varsha
be cool,
tomorrow is what we make it today,
so if u can dream it , u can make it .
life is an ice cream ,eat it before it melts away!!!!!!!!!
    
 
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29 Mar 2007 17:46:38 IST
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Sorry for wrong approach & thanks for bringing it in notice I will work on it & send it soon
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31 Mar 2007 00:01:40 IST
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send me the answert and i'll rate u
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31 Mar 2007 00:21:54 IST
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hi is the ans tan(20) raised to 4
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31 Mar 2007 00:25:56 IST
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????????????????????
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31 Mar 2007 01:06:34 IST
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no
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31 Mar 2007 10:02:55 IST
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is the ans tan^2 20
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vision for iit never ends........ |
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2 Apr 2007 18:19:56 IST
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 What's the answer?
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2 Apr 2007 21:34:45 IST
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tan^620[1/tan^420+1/tan^220+1]=sin^620/cos^620[cos^420+cos^20.sin^220/sin^420]= sin^220/cos^420[cos^220(1+sin^220)]=tan^220[(1+sin^220)/(1-sin^220)] i think u can do the next step
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be smily forever |
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2 Apr 2007 21:36:57 IST
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wats the answer pls do say 
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be smily forever |
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2 Apr 2007 21:41:24 IST
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hi, cant understand ur proof..............plz use "formula editor" ------above the window u type with symbols like squre root, summation pi, etc.........click on it and use the suitable sub scripts and super scripts......
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IF U THINK U CAN, U CAN........IF U THINK U CAN'T, U CAN'T.........
BE THE BEST OF WHAT EVER YOU ARE!!!
THEN U WILL SUCCEED FOR SURE!!!
     
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3 Apr 2007 20:48:42 IST
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well i just converted it to sin and cos so that ans would be easy and in 1st step i just took tan 20 raised to the power of 6 as common and could u say wat is formula thing pls i dont it how to use it and all
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be smily forever |
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3 Apr 2007 21:07:19 IST
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oh its nothing,,,,,,,,,,,,,........when u enter there is a window isnt it? on the left side "subject" and "message body" is there isnt it? on the right side of "subject" there is a single line window,isnt it? between the "single line window" and the region u type "this larger window" there are many tabs isnt it? on the very first tab u can see the symbols like square root,summation,pi etc.....isnt it? if u keep the mouse pointer there u can see the words "formula editor" isnt it? |
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