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zvonat [6]
3 years ago
14

Prove using the trigonometric identities the following equation

Mathematics
1 answer:
lutik1710 [3]3 years ago
6 0

Answer:

Step-by-step explanation:

\frac{(1-cosA)^2+sin^2A}{sinA(1-cosA) }=\frac{1-2cosA+cos^2A+sin^2 A}{sinA(1-cos A)}

=\frac{2-2cos A}{sinA(1-cosA)}

=\frac{2(1-cosA)}{sinA(1-cosA)}=\frac{2}{sinA}=2cscA

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