Mathematics, 08.05.2021 01:30 cpcoolestkid4

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

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Without using a calculatorcos² 43° - sin² 74° + cos² 47 - Sin16°​

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Another question on Mathematics

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