If a cosec 0 = b and a cot 0 = c, prove that a² + c = b2.
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11
Explanation:
a cosec 0 = b
cosec 0 = b/a
a cot 0 = c
cot 0 = c/a
We know that
- cosec²0 - cot²0 = 1
- cosec²0 = 1 + cot²0
(b/a)² = 1 + (c/a)²
b²/a² = 1 + c²/a²
b²/a² = (a² + c²)/a²
b² = a² + c²
a² + c² = b²
Answered by
0
Answer:
see above there is right answer
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