SOLUTION: Please simplify this expression as much as possible using the addition and subtraction formula.
csc(9pi/2 - v)
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Question 249050: Please simplify this expression as much as possible using the addition and subtraction formula.
csc(9pi/2 - v)
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression.
Use the identity
Use the identity
Evaluate the sine and cosine of to get 1 and 0 respectively (use the unit circle).
Multiply
Combine like terms.
Use the identity
So
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