Hi, im not sure how to go about doing this question. Pls help. Thank you

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junior college 1 | H2 Maths
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junior college 1 H2 Maths Singapore

Hi, im not sure how to go about doing this question. Pls help. Thank you

Date Posted: 5 years ago

Chua Yi Da

5 years ago

1) tan(-x) = -tan(x)
2) cos(-x) = cos x
3) sin (-x) = -sin x
4) cos( x +360 deg) = cos x

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Date Posted: 5 years ago