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24 June, 07:31

COS

Express sin 67° + cos 75° in terms of trigonometric ratios of angles between 0 and 45°

EXP

Let us

ca

8.5 Trigonometric Identities

You may

+3
Answers (1)
  1. 24 June, 08:40
    0
    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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