Master the SAT Desmos calculator

Chapter 8 of 8:Choose the tool for unit, growth, circle, and trig questions

Lesson 4 of 4

Desmos simulator

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A right triangle has hypotenuse $\displaystyle 18$ and an acute angle of $\displaystyle 30^\circ$ . What is the length of the side opposite that angle?

\displaystyle

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Step 1 · Think

What must you check before typing $\sin(30)$ ?

Decide what could make the calculator read the $30$ wrong.

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Master the SAT Desmos calculator

Chapter 8 of 8:Choose the tool for unit, growth, circle, and trig questions

What must you check before typing sin⁡(30)\sin(30)sin(30)?

What must you check before typing $\sin(30)$ ?