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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: sin11AsinA + sin7Asin3A / cos11AsinA + cos7Asin3A
Forum Index -> Trignometry like the article? email it to a friend.  
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[Post New]16 Jul 2008 20:47:25 IST
    Subject: sin11AsinA + sin7Asin3A / cos11AsinA + cos7Asin3A
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aswinpvijayan (10)

New kid on the Block

Olaaa!! Perrrfect answer. 2  [2 rates]
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sin11AsinA + sin7Asin3A / cos11AsinA + cos7Asin3A
    
[Post New]16 Jul 2008 20:59:06 IST
    Subject: sin11AsinA + sin7Asin3A / cos11AsinA + cos7Asin3A
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shinee (247)

Blazing goIITian

Olaaa!! Perrrfect answer. 41  [62 rates]
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2sin11AsinA +2 sin7Asin3A /2 cos11AsinA + 2cos7Asin3A

cos12A-cos10A+cos10A-cos4A/sin12A-sin10A+sin10A-sin4A
cos12A-cos4A/sin12A-sin4A
sin8Asin4A/cos8Asin4A=tan8A
SHREYA
 this reply: 7 points  (with 1 Olaaa!! Perrrfect answer.   in 2 votes )   [?]
 
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Forum Index -> Trignometry
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