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Without using a calculator cos² 43° - sin² 74° + cos² 47 - Sin16°​
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Without using a calculator
cos² 43° - sin² 74° + cos² 47 - Sin16°​

User Timm
by
7.6k points

1 Answer

2 votes

Answer:

100

Explanation:

because if you add it all up you will find the sum

User Clweeks
by
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