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sveta [45]
4 years ago
9

How would you apply the Cosine Angle Difference Identity to find the exact value of cos 75o?

Mathematics
2 answers:
Tems11 [23]4 years ago
8 0
B is the final answer :)
-Dominant- [34]4 years ago
7 0
The difference cos(120° - 45°) is most likely the form you would use with that formula.


_____
The "difference" cos(30° + 45°) could also be used, where 45° is rewritten as -(-45°), or 30° is rewritten as -(-30°).
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