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cos(x+2)*cos(x+4)*cos(x+8).................................. = sinx+x. Prove that sec 2 (x/2) / 2 2 + sec 2 (x/4) / 2 4 .................= cosec 2 x - 1/x 2

cos(x+2)*cos(x+4)*cos(x+8).................................. = sinx+x. Prove that sec2(x/2) / 22 + sec2(x/4) / 24.................= cosec2x - 1/x2

Grade:12

1 Answers

Arun
25758 Points
4 years ago
Dear student
 
Your question is written incorrect. Please check and repost it. You can attach an image too. I will be happy to help you.

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