
Grade 12Trigonometry
(b+c)tanA/2 - (b+c)cotA/2 = 2bcot2B...plz can anyone prove this
(b+c)tanA/2 - (b+c)cotA/2 = 2bcot2B...plz can anyone prove this

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Last Activity: 4 Years ago

Last Activity: 4 Years ago