Math, asked by ayantika13, 9 hours ago

Prove that:
sin(A + B) . sin(A - B) + sin(B + C); sin(B - C) + sin(C + A) sin (C - A) = 0

Answers

Answered by liangsinreiliuk

0

Answer:

12

Step-by-step explanation:

Make me as brainlieas plz

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