If sina the value of 2cot2a + 2 is

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Web1 dec. 2024 · Let A=(cosA -sinA) (sinA cosA) show that A^2=(cos2A sin2A) (sin2A cos2A) 1 .If tanA=1/3 and tanB=1/7 (both A and B are acute),calculate 50sin(2A +B) 2.1Prove … Web= cosec 4 A (1 - cos 2 A) (1 + cos 2 A) - 2 cot 2 A = cosec 4 A (sin 2 A) (1 + cos 2 A) - 2 cot 2 A = cosec 2 A (1 + cos 2 A) - 2 cot 2 A = cos e c 2 A + cos 2 A sin 2 A - 2 cot 2 A = cosec 2 A + cot 2 A - 2cot 2 A = cosec 2 A - cot 2 A = 1 Concept: Trigonometric Identities Is there an error in this question or solution?

If sin A = 1/2 , then the value of cot A is - MCQ (NCERT ... - teachoo

WebRight Answer is: B SOLUTION cosA cotA+sinA = cosA (cosA sinA) +sinA (∵ cotA= cosA sinA) = sin A+sin A=2 sin A ∴ cosA cotA+sinA=2 sin A Web15 aug. 2024 · If 3sinA + 2cosA = 0 tyen the value of cot2A is equal to: a. -4/3 b. -12/5 c. -5/12 d. -3/4 See answers Advertisement vinod04jangid Answer: Step-by-step … bangalore murder today

If sin^2 A = 2sinA then find the value of A. - Sarthaks

Web31 jul. 2024 · 2cot^2A = 2 (Cot^2A + 1) = 2Cosec^2 A ( cot^2A + 1 = Cosec^2A) = 2/ Sin^2A (Cosec^2A = 1/Sin^2A) = 2 / (1/3)^2 = 2 * 9 = 18 Ans = 18 at July 31, 2024 Email ThisBlogThis!Share to TwitterShare to FacebookShare to Pinterest No comments: Post a Comment To leave a comment, click the button below to sign in with Google. Sign in with … WebIf A lies in the second quadrant and 3tan { A+4=0 } then the value of 2cot { A-5cos { A } +sin { A } } is equal to If A lies in the second quadrant and 3tan { A+4=0 } then the … Web6 jul. 2024 · The value of 2 sin θ can be a+1/a, where a is a positive number, and a ≠ 1 Kwatra Tuition Center 2.5K views 2 years ago Given 15 cot a=8 Find sin A and sec A Trigonometry R&H … arun chandan

2) If sinA = root 3/2, find the value of 2cot2A-1 - Maths ...

Prove that $\\sin(2A)+\\sin(2B)+\\sin(2C)=4\\sin(A)\\sin(B)\\sin(C ...

Web8 okt. 2024 · Here's the start of a solution: In order for those sets to be equal, we need one of the following sin a = cos a, sin a = cos 2 a, or sin a = cos 3 a. We split our search into three cases, and make use of the identity sin A − cos B = 2 sin ( B − A 2 − π 4) sin ( B + A 2 − π 4) Case I: sin a = cos a WebIf sinA =root3/2, find the value of 2cot2A - 1 - Maths - Introduction to Trigonometry. NCERT Solutions; Board Paper Solutions; Ask & Answer; School Talk; Login; GET APP; Login Create Account. Class-10 » Maths. Introduction to Trigonometry. If sinA =root3/2, find the value of 2cot 2 A - 1. Share with your friends. Share 1. sin A = root 3/2 ... arun ceramics indiranagarWeb4 feb. 2024 · sin 2A = 2 sin A cos A and sin 20 ∘ = K, then the value of cos 20∘ cos 80∘ cos 160∘ sin 2 A = 2 sin A cos A and sin 20 ∘ = K, then the value of cos 20 ∘ cos 80 ∘ cos … arun chandak

"WebSolution Verified by Toppr sinA= 2 3(Given) 2cot 2A−1 =2cot 2A+2−2−1 =2(cot 2A+1)−3 =2cosec 2A−3 = sin 2A2 −3 =2( 32)2−3 = 38−3 = 3−1 Was this answer helpful? 0 0 Similar questions If sin A= 2 3 and cos B= 2 3, find the value of : 1+tan A tan Btan A−tan B … " - If sina the value of 2cot2a + 2 is

If sina the value of 2cot2a + 2 is

Prove the Following Identitie: Cosec4a (1 - Cos4a) - 2 Cot2a

WebThe value of 2 sin θ can be a+1/a, where a is a positive number, and a ≠ 1 Kwatra Tuition Center 2.5K views 2 years ago Given 15 cot a=8 Find sin A and sec A Trigonometry … Web31 jul. 2024 · If sinA = 1/ 3 , then find the value of 2cot^2A + 2 ? 2cot^2A = 2 (Cot^2A + 1) = 2Cosec^2 A ( cot^2A + 1 = Cosec^2A) = 2/ Sin^2A (Cosec^2A = 1/Sin^2A) = 2 / (1/3)^2. …

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WebSolution The correct option is C 2 c o t 2 x Explanation for the correct option: Let, cot x - tan x = cos x sin x - sin x cos x = cos 2 x - sin 2 x sin x. cos x = 2 cos 2 x 2 sin x. cos x ( c o s … Web18 aug. 2024 · sin A = √3/2sin A = sin 60°A = 60°. Now, cot A = cot 60° = 1/√3. 2cot² A - 1 = 2cot² 60° - 1= 2 (1/√3)² - 1= 2/3 - 1 = -1/3. Hence your required answer is - 1/3. Hope …

Web4 feb. 2024 · If 2cot 2θ + cosec2θ + 2 = 6, 0° < θ < 90°, then the value of sin(2θ/3) + cos(4θ/3). asked Feb 28, 2024 in Aptitude by AvantikaJha ( 53.7k points) quantitative …

Web28 sep. 2012 · 2) If sinA = root 3/2, find the value of 2cot 2 A-1. Share with your friends 7 Follow 5 Certified by MeritNation Expert Abhinav Kumar, added an answer, on 18/8/15 Sin A = √3/2 Sin A = Sin 60 thus A = 60° Cot²A = 1/3 According to Question 2Cot²A -1 2 (1/3)-1 2/3-1 -1/3 Hope it helps u 💔 This conversation is already closed by Expert Web31 jan. 2024 · Solution: Calculate the cotangent of the angle. Solution: Find the value of sin (arc cos 15/17) Solution: If cos65° + cos55° = cosθ, find the θ in radians. Solution: Find the value of A between 270° and 360° if sin^2A – sinA=1. Solution: Solve for G if csc (11G – 16 degrees) = sec (5G + 26 degrees)

Web29 mrt. 2024 · Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.

Web2 okt. 2024 · If 2cot 2θ + cosec2θ + 2 = 6, 0° < θ < 90°, then the value of sin(2θ/3) + cos(4θ/3). asked Feb 28, 2024 in Aptitude by AvantikaJha ( 53.7k points) quantitative … bangalore mumbai industrial corridorWeb28 sep. 2012 · 2) If sinA = root 3/2, find the value of 2cot 2 A-1. Share with your friends. 7 Follow 5. Certified by MeritNation Expert. Abhinav Kumar, added an answer, on 18/8/15. … bangalore mumbai udyan expressWebIf sinθ=1/3, find the value of 2cot 2θ+2 Easy Solution Verified by Toppr Given sinθ=1/3 cosecθ=3 2cot 2θ+2=2(1+cot 2θ)=2cosec 2θ=2(9)=18 Was this answer helpful? 0 0 … arunchandar vasanWeb22 mrt. 2024 · Transcript. Question 5 If sin A = 1/2 , then the value of cot A is (A)√3 (B) 1/√3 (C) √3/2 (D) 1 Since sin A = 1/2 ∴ cosec A = 2 Now, 1 + cot2 A = cosec2 A Putting … bangalore mumbai flightsWeb13 okt. 2024 · If tan A + Sin A = m and tan A - sin A = n then m2 - n2 = Q4. The value of 2 + 2 + 2 + 2 cos 8 θ Q5. From the following data the value of θ if cos θ = 0.4457 x° 0' 6' 12' 18' 24' 30' 36' 42' 48' 54' 1' 2' 3' 4' 5' Difference to subtract 63 0.4540 4446 1013 Q6. bangalore munnar distanceWebtrigonometry - Prove that $\sin (2A)+\sin (2B)+\sin (2C)=4\sin (A)\sin (B)\sin (C)$ when $A,B,C$ are angles of a triangle - Mathematics Stack Exchange Prove that sin ( 2 A) + sin ( 2 B) + sin ( 2 C) = 4 sin ( A) sin ( B) sin ( C) when A, B, C are angles of a triangle Ask Question Asked 10 years, 10 months ago Modified 5 years, 11 months ago bangalore naatkal full movie tamilgunWeb28 mrt. 2024 · ⇒ 2(0) ⇒ 0. ∴ The value of 2(cot 2 A + cosec 4 A) is 0. Download Solution PDF. Share on Whatsapp Latest SSC CGL Updates. Last updated on Mar 28, 2024 SSC CGL Final Result 2024 Out! SSC CGL Tier 2 Tentative Answer Key was out earlier which could be challenged from 14th to 17th March 2024. bangalore naatkal full movie tamil gun