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<p>That’s only if your Math SL 1 class covers all the pre-calc in Math SL. You should find out whether pre-calc is completely covered in Math SL 1. </p>
<p>Sometimes teachers like to push all the pre-calc to the end/right before the test because they figure you already know it. You don’t want to complete Math SL 1 and then find out that all the pre-calc will be covered in Math SL 2.</p>