Mathematics (AS & A Level) · Oct / Nov 2020 · Paper 21 · Question 6
9709
As printed in the paper
The question as text
It is given that 3 sin 21 = cos 1 where 1 is an angle such that 0Å < 1 < 90Å.
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6(a)[2]
6(b)[2]
6(c)[2]
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