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3cotx+1=4. what is the solution set?

Guest Apr 4, 2015

Best Answer 

 #1
avatar+17744 
+5

3cot(x) + 1  =  4

--->   3cot(x)  =  3

--->     cot(x)  =  1

If cot(x) = a/b, then tan(x) = b/a

--->   tan(x) = 1

--->         x  =  tan-1(1)

--->         x  =  45o ± n·180°

geno3141  Apr 4, 2015
 #1
avatar+17744 
+5
Best Answer

3cot(x) + 1  =  4

--->   3cot(x)  =  3

--->     cot(x)  =  1

If cot(x) = a/b, then tan(x) = b/a

--->   tan(x) = 1

--->         x  =  tan-1(1)

--->         x  =  45o ± n·180°

geno3141  Apr 4, 2015
 #2
avatar+92781 
0

Thanks Geno :)

Melody  Apr 4, 2015

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