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

asked Sep 7, 2022 211k views

1 vote

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

by Timm

7.6k points

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2 votes

Answer:

100

Explanation:

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

Clweeks answered Sep 13, 2022