Math, asked by mahamudajhorna, 2 months ago

if cosec theta minus cot theta is equal to 1 by p , then prove that cos theta equal to p square minus 1 by p square plus 1?

Answers

Answered by devsehrawat753

1

Answer:

hope it's helpful

Step-by-step explanation:

Atomic number (Z)=15=P→[Ne]3s

2

3p

3

Phosphorus belongs to 15th group

number of valence electrons 3s

2

3p

3

=5

and valency =3 in ground state.

Hence, the correct option is C

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