Exemplar Booklet - Manitoba Department of Education and Training
Exemplar Booklet - Manitoba Department of Education and Training
Exemplar Booklet - Manitoba Department of Education and Training
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14BQuestion 15<br />
Prove the identity below for all permissible values <strong>of</strong> x:<br />
2<br />
sin x<br />
2<br />
= cos x − cos x<br />
sec x + 1<br />
<strong>Exemplar</strong> 1<br />
2 out <strong>of</strong> 3<br />
Method 1<br />
+ 1 mark for correct substitution <strong>of</strong> identities<br />
+ 1 mark for algebraic strategies<br />
32 Pre-Calculus Mathematics: <strong>Exemplar</strong> <strong>Booklet</strong> (June 2013)
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