CosecA=(m^2-n^2)÷(m^2+n^2)
then prove m² +n2
- 2mn Sec A
=

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Ответ:

ander67061

27.10.2021

Mathematics

The answer would look like the first picture provided, except it wouldn't be a solid line, it would be dotted line (an > sign or < sign doesn't include the value it's pointing at or away from).

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CosecA=(m^2-n^2)÷(m^2+n^2)then prove m² +n2- 2mn Sec A=​