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Test II Direction: Determine whether the statement is true or false. 11. sin 60° csc 60° = 1 12. sec 30° = sec 60° 13. tan 45° + tan 45º = 2 14. cos 60° + sin 30° + tan 45º = 2 15. sin 60°/sin 30º = sin 2°11-15 How to solve the equation whether true or false?

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To solve whether these are true are false you just solve each side of each equation and see if they equal each other.


sin60csc60=1

This is true because sin60*csc60 does equal 1.


\begin{gathered} sec30=(2)/(√(3)) \\ sec60=2 \end{gathered}

So that one is not true.


tan45+tan45=2

This is true.


cos60+sin30+tan45=2

This is true.


\begin{gathered} (sin60)/(sin30)=√(3) \\ sin2\approx.909\text{ Assuming this is in radians and not 2}\degree. \end{gathered}

So this one is not true.

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