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CBSE Class 11-science Answered

tana+tan2a+tan3a=0
Solve the equation
Asked by Anil | 20 Jun, 2017, 07:42: PM
answered-by-expert Expert Answer
begin mathsize 16px style tanA plus tan 2 straight A plus tan 3 straight A equals 0 Use space tan 2 straight A equals fraction numerator 2 tan squared straight A over denominator 1 minus tan squared straight A end fraction space and space tan 3 straight A equals fraction numerator 3 tanA minus tan cubed straight A over denominator 1 minus tan squared straight A end fraction And space simplify. You space will space get space tanA equals plus-or-minus square root of 3 comma space plus-or-minus fraction numerator 1 over denominator square root of 2 end fraction end style
Answered by Sneha shidid | 21 Jun, 2017, 09:41: AM

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CBSE 11-science - Maths
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