Calculator evaluation of trigonometric expressions
Calculator evaluation of trigonometric expressions
Secondary 2
3 marks
TGM Original Questions
Evaluate \(2\sin37^\circ+3\cos37^\circ\). Give the answer to 3 significant figures, or to 1 decimal place for an angle.[3]
Give non-exact lengths and areas to 3 significant figures, and angles to 1 decimal place.
Solution:
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Answer:\(2\sin37^\circ+3\cos37^\circ=3.599536\ldots=3.60\).
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