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Half angle identity
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04-17-2022, 12:51 AM
Post: #1
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Half angle identity
I’m struggling with half angle identity problems. For example, when I compute Cos (105°) I get -6 root + 2 root / 4. But the actual answer is -2 root - 3 root / 2. Is there a reason it is not simplifying to this number or would it be a user error
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Half angle identity - IsaiahG0701 - 04-17-2022 12:51 AM
RE: Half angle identity - Joe Horn - 04-17-2022, 03:43 AM
RE: Half angle identity - Steve Simpkin - 04-17-2022, 07:18 AM
RE: Half angle identity - Albert Chan - 04-17-2022, 03:29 PM
RE: Half angle identity - Albert Chan - 04-17-2022, 05:09 PM
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