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anonymous
 5 years ago
what is the exact value of tan15
anonymous
 5 years ago
what is the exact value of tan15

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0tan(A−B) = (tan A − tan B) / (1 + tan A tan B)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0(tan 45  tan 30)/(1 + tan45*tan30)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Tan 45 = 1 tan 30 = sqrt3/3

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0(1  sqrt3/3)(1 + sqrt3/3)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0how do you simplify that? the answer is supposed to be 2  sqrt3

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Just a minute... I don't get that answer.. Let me go back thru my math

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0i got up to where you got before too

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0OK (1 = sqrt3/3) / (1 + sqrt3/3)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Now you multiply by the conjugate which is (1  sqrt3/3)/(1sqrt3/3)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0(1  sqrt3/3)(1  sqrt3/3)  (1 + sqrt3/3)(1  sqrt3/3)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.01  sqrt3/3  sqrt3/3 + 3/9  1  3/9

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.01  2sqrt3/3 + 1/3  2/3

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.04/3  2sqrt3/3  2/3

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0(4  2sqrt3)/3 divided by 2/3 (4  2sqrt3)/3 times 3/2

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0The threes would cancel (4  2sqrt3)/2

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0divide the 2 into each term 2  sqrt3

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0how do you find the conjugate again?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0The conjugate is basically the denominator but take the opposite sign ex. denominator = 1  sqrt5 conjugate 1+sqrt5/1+sqrt5

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0hey, you could use this http://web2.0calc.com/
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