If m tan (a-b)/cos b = n tan b/cos^2(a-b). then to prove, 2b=[tan inve

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This question was asked in Ex 6.2,8

If m tan (a-b)/cos b = n tan b/cos^2(a-b). then to prove, 2b=[tan inverse(n-m/n m) tan a]

Ekta Jaiswal

May 13, 2020, 10:46 a.m.

Class 6