Web10 aug. 2024 · 7sin2θ + 3cos2θ = 4 ⇒ 7sin2θ +3cos2θ = 4(sin2θ + cos2θ) ⇒ 7sin2θ +3cos2θ = 4sin2θ + 4cos2θ ⇒ 7sin2θ −4sin2θ = 4cos2θ − 3cos2θ ⇒ 3sin2θ = cos2θ ⇒ tan2θ = 1 3 ⇒ tanθ = ± 1 √3 Alternative Way Dividing both sides by cos2θ 7 sin2θ cos2θ +3 cos2θ cos2θ = 4 cos2θ ⇒ 7tan2θ +3 = 4sec2θ ⇒ 7tan2θ +3 = 4(1 + tan2θ) ⇒ 7tan2θ … 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. …
27. If 7sin2A+3cos2A=4, show that tanA=3 1 . [CBSE 2015] 28.
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 इकाई हो। Find the value of x for which the distance between A (3, x) and B (4, 1) is 10 units. प्रश्न 33 से 36 लघु-उत्तरीय ... Web>> If 7sin^2theta + 3cos^2theta = 4 , show Question If 7sin 2θ+3cos 2θ=4, show that tanθ= 31 Medium Solution Verified by Toppr 4sin 2θ+3(sin 2θ+cos 2θ)=4 4sin 2θ+3=4 4sin 2θ=1⇒sinθ= 21 AC 2=AB 2+BC 2 4−1=AB⇒AB= 3 tanθ= BABC= 31 Solve any question of Introduction to Trigonometry with:- Patterns of problems > Was this answer helpful? 0 0 how to disable sleep on windows 11
If tanA =56 A +B =90° what is the value of cotB Since - Self Study …
Web7sin^2A+3cos^2A=4 show that tanA=1/root3. Ask questions, doubts, problems and we will help you. myCBSEguide. Courses . CBSE; Entrance Exam; Competitive Exams; ICSE & ISC ... tan A= tan 30^o = {1\over \sqrt 3}{/tex} 3 Thank You. ANSWER. Related Questions. Find the LCM and HCF of 336 and 54 and verify that LCM×HCF= product of two numbers. Web3sin 2 A + 7cos 2 A = 4 Formula used: sin 2 A + cos 2 A = 1 Calculation: 3sin 2 A + 7cos 2 A = 4 ⇒ 3sin 2 A + 7 (1 - sin 2 A) = 4 ⇒ 3sin 2 A + 7 - 7sin 2 A = 4 ⇒ -4sin 2 A + 7 = 4 ⇒ … Web4 mrt. 2024 · answered If 7sin2A + 3cos2A = 4, then find the value of tanA. Advertisement asha1966 is waiting for your help. Add your answer and earn points. Answer No one rated this answer yet — why not be the first? 😎 monsta34 Answer: tan A = 1/√3 Step by step explanation : Find Math textbook solutions? Class 12 Class 6 Class 4 Class 3 Class 2 … the muse songs