Question

prove that; <br /><br />{1+cos A+sinA / 1+sin A-cosA}^2 = 1+cos A / 1-cos A here 1- cos A not equal to 0<br />​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

provided with three test tubes. One of them contains distilled water and the other two have an acidic solution and a basic solution respectively. If you are given only red litmus paper, how will you identify the contents of each test tube? 6. HCI, HNO, C,H,OH