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p.t. cosA/sinBsinC + cosB/sinAsinc + cosC/sinAsinB = 2

p.t. cosA/sinBsinC + cosB/sinAsinc + cosC/sinAsinB = 2

Grade:11

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
3 years ago
Dear student

There must be more information

Kindly find the link below

https://www.askiitians.com/forums/Trigonometry/if-a-b-c-180-then-prove-that-cosa-sinb-sinc-cosb-s_217142.htm

Regards

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