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12.) The expression 2 (sin 30º) – tan 45º is equal to a.0 b. 1 c. 2 d. -1

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Answer:

A. 0

Step-by-step explanation:

2 (sin 30º) – tan 45º          sin 30º =  [tex]\frac{1}{2\\}[/tex]

= 2 x [tex]\frac{1}{2\\}[/tex] - 1                              tan 45º = 1

= 1 - 1

= 0

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