Math, asked by madilisha701, 1 year ago

Prove that,tan^-1(1/4)+tan ^-1(2/9)=1/2cos^-3/5

Answers

Answered by KarupsK
0
In the attachment I have proved this problem.

The formula which I applied in this problem is highlighted in the box.

Calculations are done step by step in a simple manner.

See the attachment for detailed solution.

I hope this answer help you
Attachments:
Answered by Anonymous
10

Answer:

In the attachment I have proved this problem.

The formula which I applied in this problem is highlighted in the box.

Calculations are done step by step in a simple manner.

See the attachment for detailed solution.

I hope this answer help you

Attachments:
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