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Grade 11Trigonometry

tan^6 180/9 – 33 tan^4 180/9 + 27 tan2 180/9 is

Profile image of laxman
11 Years agoGrade 11
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2 Answers

Profile image of Nishant Vora
11 Years ago
Hello student, Please find the answer to your question below

tan^6 180/9 – 33 tan^4 180/9 + 27 tan2 180/9
= take tan square common

tan220( tan420 – 33 tan220 + 27 )
now you can apply the tan square formula

Profile image of kanha kasniya
9 Years ago
3tanA-tan^3Atan3A = ______________ 1-3tan^2AA=20 than, 3tan(20)-tan^3(20)tan(60)= _____________________ 1-3tan^2(20)By cross multiplication Tan^6(20)-33tan^4(20)+27tan^2(20)=3