SOLUTION: please help me solve this problem: write the expression {{{ sqrt(x^2 + 4)}}} in terms of theta when x = 2tan theta I remember my teacher telling me to act as though what x equa

Question 773187: please help me solve this problem:
write the expression in terms of theta when x = 2tan theta
I remember my teacher telling me to act as though what x equals was simply the first number, in this case 2...so would it be correct for me to assume the correct answer would be
{{ sqrt(2^2 + 4) which would be ...??
thank you in advance for your help(:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Answer:
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