Mathematics - Properties of Triangle Question with Solution | TestHub

MathematicsProperties of Triangler1,r–R formula basedMedium2 minQB

MathematicsMediummultiple choice

If in a triangle $ABC, cos A cos B + sin A sin B sin^{3} C = 1$ , then, with usual notation in $△ A BC$ ,

Answer:

A, B, C, D

Solution:

The given relation implies $cos (A - B) = 1$ and so, $A = B$ and $C = 9 0^{\circ}$

Stream:JEESubject:MathematicsTopic:Properties of TriangleSubtopic:r1,r–R formula based

⏱ 2mℹ️ Source: QB

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