Hello Sir, Q: can you please explain that how many triangles can be inscribed in a octagon?
it would be helpful if you can answer that
What is the value of arccos((cosx +cosy)/(1 + cosx*cosy)) if i).cosx = siny = tan(x + y) ? ii).x is the fifth term in the expansion of (1 + 9y)^8 ?
ok
is it right
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