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raketka [301]
3 years ago
7

Prove this identify : 2 cos^2 (45°-A ) = 1 +sin 2 A​

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
4 0
I wasn’t sure how to put this into words. I hope this makes sense. <3

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Whats the value of x<br> 120°<br> (2x – 10)°
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The answer is 2x-1
Step-by-step explanation:
2x-10^0
Any non zero expression raised to the power of 0 equals 1.
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So that would be your answer.
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