By factorising, or otherwise, solve
Trigonometry, EXT1 T3 SM-Bank 11
Given that
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Trigonometry, EXT1 T3 SM-Bank 8
Solve for
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Trigonometry, EXT1 T3 SM-Bank 1
A billboard of height
Use the identity
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Show Worked Solution
MARKER’S COMMENT: Answers that included a diagram and clearly labelled angles were generally successful.
Calculus, EXT1 C2 2005 HSC 3b
- By expanding the left-hand side, show that
(1 mark)
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- Hence find
(2 marks)
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Trigonometry, EXT1 T3 2008 HSC 6b
It can be shown that
Use this result to solve
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Trigonometry, EXT1 T3 2010 HSC 6a
- Show that
. (1 mark)
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- Suppose that
and . - Deduce that if
, then . (1 mark)
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