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Grade 11Trigonometry

if tanA = -(tanB)/2 = -1/3 then find A in terms of pi.

Profile image of krishan Pal Sila
9 Years agoGrade 11
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1 Answer

Profile image of Vikas TU
9 Years ago
 
if tanA = -(tanB)/2 = -1/3
Given tanA = -1/3
A = arctan(-1/3) => 
-0.321 radian
And tanB = 2/3
B = arctan(2/3)
= >  0.588 radian