Question

if a 2sinA COSB sinc= sinB sin [A +C] , then tan A, tan B and tan c are in
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Answer 1

Answer:

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Answer 2

Answer:

Answer

The given relation is rewritten as

sinBsin(A+C)=2sinAsinCsinB

Divide both sides by sinAsinBsinC

sinAsinC

sin(A+C)

=2cotB

or cotA+cotC=2cotB

Step-by-step explanation:

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