I don't understand them at all. The problem is to evaluate tan(22.5) using exact values. How should I do this?
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Actually is but the angle is positive, hence our answer is positive, and that's preserves the positive sign.
Originally Posted by Krizalid Actually is but the angle is positive, hence our answer is positive, and that's preserves the positive sign. hmm can I assume tan (22.5) is equal to tan 1/2 x?
Krizalid is suggesting
Well, that was easier than I expected. Thanks.
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