SOLUTION: How to do this problem: it says to multiply and simplify. (Sin(theta) + cos(theta))(sin(theta) + cos(theta)) -1/sin(theta)cos(theta)

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Question 433358: How to do this problem: it says to multiply and simplify.
(Sin(theta) + cos(theta))(sin(theta) + cos(theta)) -1/sin(theta)cos(theta)
Answer by Alan3354(30993) About Me  (Show Source):
You can put this solution on YOUR website!
(Sin(theta) + cos(theta))(sin(theta) + cos(theta)) -1/sin(theta)cos(theta)
= ((sin^2 + 2sin*cos + cos^2) - 1)/sin*cos
= 2sin*cos/sin*cos
= 2