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eimsori [14]
3 years ago
8

If 3cot^2x - 5cotx = -2, then cotx = _____.

Mathematics
1 answer:
stealth61 [152]3 years ago
7 0
3cot²x - 5cotx = -2

Lets pretend cotx = t

3t² - 5t = -2
3t² - 5t + 2 = 0

factor polynomial
(3t-2)(t-1) = 0

3t-2 = 0
t-1 = 0

then "t" which is also cotx is equal to 1 or 2/3



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