If (0,0) is the orthocentre of ∆^{le} formed by A( \cos\alpha,\sin\alpha),B( \cos\beta,\sin\beta), C ( \cos\gamma,\sin\gamma) then \angleBAC =_____

AP and TS EAMCET Engineering 2020 Model Paper 2

Question : 25 of 160

Marks: +1, -0

If (0,0) is the orthocentre of ∆le formed by
A(cos‌α,sin‌α),B(cos‌β,sin‌β), C(cos‌γ,sin‌γ) then ∠BAC =_____

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