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# C2 Trigonometry, help? watch

1. Hi. I'm having trouble with this question.

How would I work out the smallest positive angle of these without a calculator? I can't find any resources with an explanation of how to do these.

Question -
Find the smallest positive angle which satisfies the following equation:
=

AND

=
2. (Original post by Peppercrunch)
Hi. I'm having trouble with this question.

How would I work out the smallest positive angle of these without a calculator? I can't find any resources with an explanation of how to do these.

Question
Find the smallest positive angle which satisfies the following equation:
=

AND

=
There are a set of angles that you are meant to know the trig functions for
0,30,45,60,90
3. (Original post by TenOfThem)
There are a set of angles that you are meant to know the trig functions for
0,30,45,60,90
Oh ok, thank you. I didn't realise I could use them.

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Updated: January 14, 2015
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