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Given that sin(32 degrees) = a and cos(32 degrees) = b, find tan(148 degrees) in terms of a and/or b.

 Dec 13, 2018

Best Answer 

 #1
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SIn (pi - 32) = sin 32    so sin 148 = sin32 = a

cos(pi-32) = -cos(32)  so cos(148) = -b

 

tan (148) = sin(148) / cos(148) =   -a/b

 Dec 13, 2018
 #1
avatar+18311 
+1
Best Answer

SIn (pi - 32) = sin 32    so sin 148 = sin32 = a

cos(pi-32) = -cos(32)  so cos(148) = -b

 

tan (148) = sin(148) / cos(148) =   -a/b

ElectricPavlov Dec 13, 2018

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