Question 715472
verify this equation:
(1 + csc 3B/sec 3B) - cot 3B = cos 3B 
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Multiply thru by sec(3B) to get:
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sec(3B) + csc(3B) - sec(3B)*cot(3B) = sec(3B)*cos(3B)
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sec + csc - (1/cos)(cos/sin) = sec*cos
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sec + csc - (1/sin) = 1
sec + csc - csc = 1
sec(3B) = 1
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That does not verify the equation.
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Cheers,
Stan H.
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