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Daniel [21]
3 years ago
11

Prove that 1+cot²A=cosec²A​

Mathematics
1 answer:
o-na [289]3 years ago
6 0

Answer:

see explanation

Step-by-step explanation:

Consider the left side

1 + cot²A

= 1 + \frac{cos^2A}{sin^2A}

= \frac{sin^2A+cos^2A}{sin^2A}

= \frac{1}{sin^2A}

= cosec²A

= right side, thus proven

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