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Question
Submitted by princessk6504 on Tue, 2012-02-07 10:40
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If sin x= 8/17 and tan y= 35/37, find tan(x+y)

If sin x= 8/17 and tan y= 35/37, find tan(x+y)

Answer
Submitted by dooxdino on Sun, 2012-02-12 15:00
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Answer

body preview (5 words)

xxxx is xxx xxxx xxxxxx

file1.docx preview (30 words)

xxx xxx = 8/17

xxx xxx = xxxxx

x= xxx xxx (x) x arc xxx (8/17) = xxxxx

xx arc tan xxx = xxx tan (35/37) x xxxx

xxx (x+y) = tan xxxxx + xxxxx x tan (61.1) = xxxx


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Answer
Submitted by dayamath on Tue, 2012-02-07 12:42
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complete answer:

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xx know that sin²x x cos²x x x then xxxxxx = 1-(8/17)² so cos x x xxxxx

xxx x = xxx x / xxx x = (8/17) x (15/17) x 8/15
tan x x xxxxx

tan(x+y) x xxxx x x xxx y)/(1 - xxx x * xxx y )
= (8/15 + 35/37)/(1 x (8/15)*(35/37) )
x 821/275
x 2.985 x xxxxxxxxxxxxxxxx


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