SOLUTION: if sinx=2/5, where 0 less than or equal to x less than or equal to 90�. without using tables or calculator, calculate (cosx + tanx)� sinx.

Question 1096154: if sinx=2/5, where 0 less than or equal to x less than or equal to 90�. without using tables or calculator, calculate (cosx + tanx)� sinx.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
if sinx=2/5, where 0 less than or equal to x is in Q1. without using tables or calculator, calculate (cosx + tanx)� sinx.
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Find the cosine
cos = sqrt(1 - sin^2)
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Then find the tangent
tan = sin/cos
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That's all you need to do.
It aint rocket surgery.

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