The Rusty Metal Roller Coaster at the fair charges $2.50 for children and $4 for adults. Before the safety inspector shuts down
1 answer:
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Answer:
csc (- 30)° = - 2
Step-by-step explanation:
Using the trigonometric relationship
csc x = and the exact value sin30° =
sin(- 30)° = - sin30° = - , thus
csc (- 30)° = = - 2