SOLUTION: If cot^2x=5/7, then csc^2 is equivalent to what? How must i look at this question before trying to solve it and the identites. a)12/7b)7/5 c)5sqrt74/74 d)sqrt74/7

Algebra ->  Trigonometry-basics -> SOLUTION: If cot^2x=5/7, then csc^2 is equivalent to what? How must i look at this question before trying to solve it and the identites. a)12/7b)7/5 c)5sqrt74/74 d)sqrt74/7      Log On


   



Question 756336: If cot^2x=5/7, then csc^2 is equivalent to what?
How must i look at this question before trying to solve it and the identites.
a)12/7b)7/5
c)5sqrt74/74
d)sqrt74/7

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If cot^2x=5/7, then csc^2 is equivalent to what?
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sin^2 + cos^2 = 1 (Pythagorean Identity)
Divide by sin^2
1 + cot^2 = csc^2
csc^2 = cot^2 + 1