asked 9.3k views
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Prove that 1+cot²A=cosec²A​

asked
User Ophelie
by
8.0k points

1 Answer

9 votes

Answer:

see explanation

Explanation:

Consider the left side

1 + cot²A

= 1 +
(cos^2A)/(sin^2A)

=
(sin^2A+cos^2A)/(sin^2A)

=
(1)/(sin^2A)

= cosec²A

= right side, thus proven

answered
User Dmitriusan
by
8.3k points

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