IPMAT Indore 2025Geometry > Mediumsinθ\sin \thetasinθcosθ\cos \thetacosθ2cosθ2 \cos \theta2cosθ2sinθ2 \sin \theta2sinθ✅ Correct Option: 4Related questions:The number of triangles with integer sides and with perimeter 15 is:The number of acute angled triangles whose sides are three consecutive positive integers and whose perimeter is at most 100 isLet △ABC\triangle ABC△ABC be a triangle with AB=ACAB = ACAB=AC and DDD be a point on BCBCBC such that ∠BAD=30∘\angle BAD = 30^\circ∠BAD=30∘. If EEE is a point on ACACAC such that AD=AEAD = AEAD=AE, then ∠CDE\angle CDE∠CDE equals