jimbo71
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Homework Statement
sqrt((tcost)^2+(-tsint)^2
Homework Equations
The Attempt at a Solution
pulled out the sin^2t+cos^2t
added the two t^2
took the sqrt of
t*sqrt(2)
Did I Simplify This Trigonometric Expression Correctly?
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sqrt((tcost)^2+(-tsint)^2
pulled out the sin^2t+cos^2t
added the two t^2
took the sqrt of
t*sqrt(2)
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No, it's not correct. Factor the inside of the sqrt before you start 'pulling things out'.
jimbo71
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so is the answer simply t
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jimbo71 said:so is the answer simply t
Almost right. |t| actually.
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