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1 Unit 1: Pure Mathematics A

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Question 251

Write down the exact value of each of the following.

a.

cos⁡150°\cos 150°cos150°

[1]
b.

tan⁡225°\tan 225°tan225°

[1]
c.

sin⁡(−30°)\sin(-30°)sin(−30°)

[1]
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1 Unit 1: Pure Mathematics A Questions

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