Question

if A = 45° then prove that Cos A /1 + sin A = 1 - sin A / Cos A. ​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

cos45°=1/√2. sin45°=1/√2

1/√2/1+1/√2=1-1/√2/1/√2

1/√2+1/√2=√2-1/√2×

2/√2=

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