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)]02 पाक एड न V 995 _ ४ 9500 _ ऋ 39503 VY 395(छू 803 - के पाई) (के एष्ठ] + के 303 + [ ४1 |
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Answer» L.H.S = (1+cotA+tanA)(sinA-cosA)= (sinA+sinAcotA +tanAsinA-cosA -cosAcotA -tanAcosA)=(sinA+sinAcosA/sinA+tanAsinA-cosA-cosAcotA -cosAsinA/cosA)= (sinA+cosA+tanAsinA -cosA- cosAcotA -sinA)= tanAsinA -cosAcotA = sinAtanA-cotAcosA |
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