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CBSE Class 10 Answered

Question
Asked by pritish_kul2 | 06 Dec, 2009, 01:22: PM
answered-by-expert Expert Answer

tan (A+B) = (tanA + tan B)/(1 - tanA tanB)

cot(A+B) = 1/tan(A+B) = (1 - tanA tanB)/(tanA + tan B) = 0

(1 - tanA tanB)/(tanA + tan B) = 0

(1 - tanA tanB) = 0

tanA tanB = 1

tanB = 1/tanA = 4/3

cotB = 1/tanB = 3/4

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TopperLearning.

Answered by | 06 Dec, 2009, 09:07: PM
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