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If 7sin2a + 3cos2a 4 show that tan a 1/√3

Web21 jan. 2024 · whose sides are 3 4 times the corresponding sides of ABC. 5 13. From the top of a 7 m building, the angle of elevation of the top of a tower is 6 0 ∘ and the angle of … Web26 jan. 2024 · Solution For If 7sin2A+3cos2A=4, show that tanA=3 1 sample paper 203 … x का वह मान ज्ञात कीजिए, जिसके लिए A (3, x) तथा D (7, ⋅), की दूरी 10 …

[Solved] If 3cos2A + 6sin2A = 3, 0° ≤ A ≤ 90°, then the - Testbook

Web3 mrt. 2024 · Best answer Given 7sin^2A+3cos^2A=4 =>7sin^2A+3cos^2A=4 (sin^2A+cos^2A) =>3sin^2A=cos^2A =>sin^2A/cos^2A=1/3 =>tan^2A=1/3 =>tanA=1/√3 … WebAnswer: Option B Solution (By Examveda Team) 7 sin 2 θ + 3 co s 2 θ = 4 7 sin 2 θ + 3 ( 1 − si n 2 θ) = 4 7 sin 2 θ + 3 − 3 sin 2 θ = 4 4 sin 2 θ = 1 sin 2 θ = 1 4 sin θ = 1 2 sin θ = sin 30 ∘ θ = 30 ∘ sec θ + cosec θ = sec 30 ∘ + cosec 30 ∘ = 2 3 + 2 Join The Discussion * Related Questions on Trigonometry The minimum value of 2sin2θ + 3cos2θ is ? cyclizine ondansetron https://hotelrestauranth.com

If 7sin^2θ + 3cos^2θ =4, find the value of tan θ. - Sarthaks

Web22 mrt. 2024 · Example 1 - Chapter 8 Class 10 Introduction to Trignometry (Term 1) Last updated at March 22, 2024 by ... Subscribe Now Get live Maths 1-on-1 Classs - Class 6 to 12. Book 30 minute class for ₹ 499 ₹ 299. Transcript. Show More. Next: Example 2 Important → Ask a doubt . Chapter 8 Class 10 Introduction to Trignometry; Serial order ... Web30 mei 2014 · If 7 sin^2 theta + 3 cos^2 theta = 4, prove that, tan theta= 1/root3 Advertisement Expert-Verified Answer 628 people found it helpful Brainly User Answer :- → tan30° = 1/3 . Step-by-step explanation :- We have, → 7 sin² ∅ + 3 cos² ∅ = 4 . ⇒ 4 sin²∅ + 3 sin²∅ + 3 cos²∅ = 4 . ⇒ 4 sin²∅ + 3 ( sin²∅ + cos²∅ ) = 4 . Web9 mrt. 2024 · For the latest 2024 cycle, the SSC CHSL admit card was released for the Tier I exam which is scheduled from 9th March to 21st March 2024. The Staff Selection … rajka thoma halle

27. If 7sin2A+3cos2A=4, show that tanA=3 1 . [CBSE 2015] 28. For …

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If 7sin2a + 3cos2a 4 show that tan a 1/√3

7sin^2A+3cos^2A=4 show that tanA=1/root3 - myCBSEguide

WebIf cosec x + cot x = 11 2, then the value of tan x is _____. Mathematics. RD Sharma XI (2024, 2024)_Volume 1. All. Web6 feb. 2024 · Solution For 27. If 7sin2A+3cos2A=4, show that tanA=3 1 . [CBSE 2015] 28. For any acute angle θ, prove that[CBSE 2015] (a) Sin2θ+cos2θ=1 (b) 1+cot2θ=cosec2θ …

If 7sin2a + 3cos2a 4 show that tan a 1/√3

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Web30 mrt. 2013 · 2011-12-29 已知tana=3 求sin2a-cos2a 详细过程 3 2015-03-06 已知tana =2，求sin2a，cos2a和tan2a的值 2024-07-20 已知tan=3，求sin2a-2cos平方a的值 1 Web8 mrt. 2024 · 3) 7sin2A+3cos2A=4. Show that tanA= 3 1 Viewed by: 5,498 students Updated on: Mar 8, 2024 1 student asked the same question on Filo Learn from their 1 …

WebNCERT Exemplar Class 11 Maths Chapter 3 Trigonometric Functions. Q4. If cos (α + ) =4/5 and sin (α- )=5/13 , where α lie between 0 and π/4, then find the value of tan 2α. Q6. Prove that cos cos /2- cos 3 cos 9/2 = sin 7/2 sin 4 . Q7. If a cos θ + b sin θ =m and a sin θ -b cosθ = n, then show that a2 + b2-m2 + n2. Sol: We have, a cos θ ... Webfind acute angle a and b if sin(a+2b)=

Web(√3 + 1) (3 – cot 30°) = tan 3 60° – 2sin60° Solution: Question 6: Solution: Question 7: tanθ + tan (90° – θ) = sec θ sec (90° – θ) Solution: Question 8: Find the angle of elevation of the sun when the shadow of a pole h m high is √3 h m long. Solution: Let the angle of elevation of the sun is θ. Given, height of pole = h ... WebAnswer: Option C Solution (By Examveda Team) 7 sin 2 θ + 3 co s 2 θ = 4 ⇒ 7 sin 2 θ + 3 ( 1 − si n 2 θ) = 4 ⇒ 7 sin 2 θ + 3 − 3 sin 2 θ = 4 ⇒ 4 sin 2 θ = 1 ⇒ sin 2 θ = 1 4 ⇒ sin θ = 1 2 = sin 3 0 ∘ θ = 30 ∘ = π 6 [ ∵ π c = 180 ∘] Join The Discussion Related Questions on Trigonometry The minimum value of 2sin2θ + 3cos2θ is ? A. 0 B. 3 C. 2 D. 1

Web3 okt. 2024 · Best answer Given : 7 sin2 θ + 3 cos2 θ =4 ⇒ 7 sin2 θ + 3 (1– sin2 θ) = 4 [∵ sin2 θ + cos2 θ = 1] ⇒ 7 sin2 θ + 3 –3 sin2 θ = 4 ⇒ 4 sin2 θ = 4 – 3 ⇒ 4 sin2 θ = 1 ← …

WebIf 7sin2A + 3cos2A = 4, show that tan A = 1/√3. rajkamal oilWeb∴ The value of tanθ + sinθ is 1/√3 + 1/2. Important Points. The following table is used for obtaining the values of tan30° and sin30°: Download Solution PDF. ... (40° - θ) + tan 1° ⋅ tan 10°⋅ tan 20°⋅ tan 70°⋅ tan 80°⋅ tan 89°⋅ . Q10. If sin x + cosec x = 2, then sin2x + cosec2x = _____ . More Trigonometry Questions ... rajkamal banquet unity one mallWeb9 mei 2012 · 3cos2a=sin(π/4-a) 3sin(π/2-2a)=sin(π/4-a) 6sin(π/4-a)cos(π/4-a)=sin(π/4-a) cos(π/4-a)=1/6 因为a∈(π/2,π) 所以π/4-a（-π/4，-3π/4） rajko hesseWeb10 feb. 2024 · If A + B =π/4 then prove that (1 + tan A) ... In ∆ABC if cos A/a = cos B/b, then show that it is an isosceles triangle. asked Nov 27, 2024 in Trigonometry by Amayra (31.5k points) trigonometric functions; class-12; 0 votes. 1 answer. If cos 4x = 1 + k sin^2 x cos^2 x, then write the value of k. cyclizine p medWeb7sin2A + 3cos2A = 4 = 7sin2A = 4- 3cos2A = 7sin2A = 4 - 3( 1 - sin2A ) = 7sin2A =4 - 3 + 3sin2A = 7sin2A - 3sin2A = 1 = 4sin2A = 1 =sinA=1/2=p/h By pythagoras theorem base= … cyclizine overdose symptomsWeb30 mrt. 2024 · If tan⁡A=3/4 , find the value of 1/sin⁡A +1/cos⁡A Get live Maths 1-on-1 Classs - Class 6 to 12. Book 30 minute class for ₹ 499 ₹ 299. Transcript. Show More. Next: Question 25 (Choice - 2) → Ask a doubt . Class 10; Solutions of … cyclizine overdose treatmentWeb30 mrt. 2024 · Ex 2.1, 4 - Chapter 2 Class 12 Inverse Trigonometric Functions (Term 1) Last updated at March 30, 2024 by Teachoo. Get live Maths 1-on-1 Classs - Class 6 to 12. Book 30 minute class for ₹ 499 ₹ 299. Transcript. Show More. Next: Ex 2.1, 5 Important → Ask a doubt . Chapter 2 Class 12 Inverse Trigonometric Functions; Serial order ... cyclizine oral suspension