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emzaa
07.09.2020 •
Mathematics
1+secA/sec A = sin^2 A / 1-cos A
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Ответ:
see proof below
Step-by-step explanation:
Use the following Identities:
sec Ф = 1/cos Ф
cos² Ф + sin² Ф = 1
Proof LHS → RHS
Ответ:
1. Yes
2. Yes
3. Yes
4. Yes
Step-by-step explanation: