13 Dec 2021

1/2cos^(- 1)((5cosx+3)/(5+3cosx))=tan^(- 1)(1/2tanx/2) class 12 inverse trigonometry

 

1/2cos^(- 1)((5cosx+3)/(5+3cosx))=tan^(- 1)(1/2tanx/2) class 12 inverse trigonometry

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