WebIn ABC, as semicircle is inscribed, which lies on the side ⋅ If x is the lengthof theangle bisector through angle C, then prove that the radius of the semicircle is 15xsin ()C2. Watch Free Video Solution on Doubtnut CENGAGE_MATHS_TRIGONOMETRY_TRIGONOMETRICFUNCTIONS_Projection … Websinθ = cos 2 θ ... (i) cos 12 θ + 3 cos 10 θ + 3 cos 8 θ + cos 6 θ - 1 = (cos 4 θ + cos 2 θ) 3 - 1 = (sin 2 θ + cos 2 θ) 2 - 1 = (1) 2 - 1 = 0 50 Views Switch Flag Bookmark Advertisement 117. If and are positive then the smallest value of is 60 Views Answer 118. The value of tan 315° cot (-405°) is equal to -1 1 0 2 112 Views Answer Advertisement
If sin θ + sin2θ = 1, then the value of cos12 θ + 3 cos 10 θ + 3 cos8 θ ...
Web9 dec. 2024 · [∵ 1 – cos 2 θ = sin 2 θ] = cosecθ + cotθ = RHS Undefined control sequence \because (ii) We have, Example 3: Prove the following identities: (i) (sinθ + cosecθ) 2 + (cosθ + secθ) 2 = 7 + tan 2 θ + cot 2 θ (ii) (sinθ + secθ) 2 + (cosθ + cosecθ) 2 = (1 + secθ cosecθ) 2 (iii) sec 4 θ– sec 2 θ = tan 4 θ + tan 2 θ Sol. (i) We have, WebScribd is the world's largest social reading and publishing site. original shandis gin price
If 2 sin^2 θ - cos^2 θ =2, then find the value of θ. - Sarthaks ...
Web2sin 2 θ + 3sinθ = 0. ∴ sinθ (2sinθ + 3) = 0. ∴ sinθ = 0 or sinθ = `(-3)/2` Since – 1 ≤ sinθ ≤ 1, sinθ = 0. ∴ `sqrt(1 - cos^2theta)` = 0 ...[∵ sin 2 θ = 1 – cos 2 θ] ∴ 1 – cos 2 θ = 0. ∴ … Web28 nov. 2024 · A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. WebA: Given that we need to find all solution of the equation Sin 2x + cos x = 0 ( in… Q: A spherical triangle ABC has an angle C = 90 degree and sides a = 50 degree and c = 80 degree.… A: Click to see the answer Q: Use the cosine of a sum and cosine of a difference identities to find cos (s+t) and cos (s-t). 2 and… A: Click to see the answer original shakespeare text