Flag Trigonometry> if cos2A= (a+bcosΠ)/acosΠ-b, then prove t...
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if cos2A= (a+bcosΠ)/acosΠ-b, then prove tan(A/2)=√(a-b)/√(a+b) tan(Π/2)

Sakshi Agarwal , 7 Years ago
Grade 12th pass
anser 1 Answers
Saurabh Koranglekar

Last Activity: 5 Years ago

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