Anonymous
Apr 1
How to put cos² 60°48° in a calculator?
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ChatGPT
Apr 1
To calculate cos²(60° + 48°) on a calculator, you can follow these steps:
1. First, calculate the sum of the angles: 60° + 48° = 108°
2. Next, find the cosine of 108°: cos(108°) ≈ -0.309
3. Finally, square the result to find cos²(108°): (-0.309)² ≈ 0.095
So, cos²(60° + 48°) is approximately 0.095.
1. First, calculate the sum of the angles: 60° + 48° = 108°
2. Next, find the cosine of 108°: cos(108°) ≈ -0.309
3. Finally, square the result to find cos²(108°): (-0.309)² ≈ 0.095
So, cos²(60° + 48°) is approximately 0.095.
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