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Tan 2A = Cot ( A …

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Tan 2A = Cot ( A - 18) where 2A is an acute angle find the value of A

Posted by Riya Thapa 6 years, 11 months ago

CBSE > Class 10 > Mathematics

4 answers

Rashina Asharaf 6 years, 11 months ago

Cot ( 90 - 2A) = cot A -18 90-2A = A- 18 3 A =108 A = 36

Poonam Bais 6 years, 11 months ago

Tan 2A= tan (90-(A-18))..... 2A=90-A+18..... 3A=108... A=108/3 =36....ans

Aryan Khare 6 years, 11 months ago

Tan(90-2A)=Cot (A-18).......90-2A=A-18........90+18=A+2A........108=3A........A=108/3.......A=36

Puja Sahoo? 6 years, 11 months ago

36

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