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If (1 + Sin A)(1 + Sin B)(1 + Sin C) = (1 − Sin A)(1 − Sin B)(1 − Sin C), then each side is...
Solution
(1 + Sin A)(1 + Sin B)(1 + Sin C) = (1 − Sin A)(1 − Sin B)(1 − Sin C)
Any values of A,B,C would satisfy the equation. So to simplify the problem let the values of A,B,C be =...
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Solution
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Keynote
Sin 0° = 0
Cos 0° = 1
Solved using substitution method
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