Grade 88 grade maths
(tan theta – cot theta) (tan^2 theta+ tan theta.cot theta+cot^2 theta)
(tan theta – cot theta) (tan^2 theta+ tan theta.cot theta+cot^2 theta)
1 Answer
Arun
Dear student
It is written as
(a-b) (a²+ b² + ab). Where a = tan theta and b = cot theta
Hence
It will be a³- b³ = tan³theta - cot³theta
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