CATGeometry > Hardcos15∘\cos 15^\circcos15∘2sin15∘2 \sin 15^\circ2sin15∘2cos15∘2 \cos 15^\circ2cos15∘sin15∘\sin 15^\circsin15∘✅ Correct Option: 3Related questions:CAT 2021 Slot 3In a triangle ABC, ∠BCA=50∘\angle BCA = 50^\circ∠BCA=50∘. D and E are points on AB and AC, respectively, such that AD = DE. If F is a point on BC such that BD = DF, then ∠FDE\angle FDE∠FDE, in degrees, is equal toCAT 2017 Slot 2Let PPP be an interior point of a right-angled isosceles triangle ABCABCABC with hypotenuse ABABAB . If the perpendicular distance of P from each of AB,BCA B, B CAB,BC, and CAC ACA is 4(2−1)cm4(\sqrt{2}-1) \mathrm{cm}4(2−1)cm, then the area, in sq cm, of the triangle ABCA B CABC isCAT 2019 Slot 2Let ABCABCABC be a right-angled triangle with hypotenuse BCBCBC of length 202020 cm. If APAPAP is perpendicular on BCBCBC, then the maximum possible length of APAPAP, in cm, is