NZ Level 8 (NZC) Level 3 (NCEA) [In development]
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Simplify expressions with reciprocals using complementary results

Interactive practice questions

Fill in the blank with the acute angle that makes the statement true.

$\sin$sin$\editable{}$°$=$=$\cos25^\circ$cos25°

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Complete the blank in the following expression:

Rewrite $\cos37^\circ$cos37° in terms of its cofunction.

Rewrite $\sin76^\circ$sin76° in terms of its cofunction.

Outcomes

M8-6

Manipulate trigonometric expressions

91575

Apply trigonometric methods in solving problems

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