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jayashankarkunchala 26th Aug, 2020

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find the value of sin theta.sin 2 theta .sin 30 for theta=30

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Answer 1

Hello,

Use AM>=GM formula so as to solve your question

(4tanx+9cotx)/2>=√(4tanx9cotx)

(4tanx+9cotx)>=2√(4tanx9cotx)

(4tanx+9cotx)>=2√(4*9)

4tanx+9cotx>=12

Hope that helps;

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if 0 jayashankarkunchala 26th Aug, 2020 Answer Answer later Report

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if 0
jayashankarkunchala 26th Aug, 2020

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