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Using a Calculator

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Question 4
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sin⁡75∘+0.5cos⁡75∘+0.5 \sqrt{\frac{\sin 75^\circ + 0.5}{\cos 75^\circ + 0.5}} cos75∘+0.5sin75∘+0.5​​
a.

Write down all the figures on your calculator display.

[2]
b.

Write your answer to part (a) correct to 3 significant figures.

[1]

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