ZaidAnis424 ZaidAnis424

18-01-2020
Mathematics

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COS
Express sin 67° + cos 75° in terms of trigonometric ratios of angles between 0 and 45°
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8.5 Trigonometric Identities
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Аноним Аноним

18-01-2020

Answer:

I know it

Step-by-step explanation:

Trigonometry can be hard sometimes. But if u look at it from a different perspective it will be easy. Simplyfiy it.

The question is to change it to males between 0 and45 degree.

So we use complementary angle formula on both sin and cos.

This way we could reduce its angle.

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