If 2sin2β – cos2β 2 then β is *
Webif sin a + sin b=2 , then find the value of sin (a+b). 90 o There is only 1 possibility for sin A +sin B to be equal to 2. max value of sinθ is 1... so s × Book a Trial With Our Experts WebBesides giving the explanation of Ifα +β = 90° andα = 2β then cos2α + sin2β equal :a)1b)zeroc)1/2d)2Correct answer is option 'C'. Can you explain this answer?, a detailed …
If 2sin2β – cos2β 2 then β is *
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Web18 nov. 2016 · $ a^2 + b^2 = \sin ^2 \alpha + \sin ^2 \beta + 2 \sin \alpha \sin \beta + \cos ^2 \alpha + \cos ^2 \beta + 2 ... (\alpha+\beta) = \frac {a^2 + b^2 } {a^2 - b^2}$ Then I just … Web43 Rita’s height (in feet) above the water level is given by another polynomial p(t) with zeroes -1 and 2. Then p(t) is given by- (a) t² + t - 2. (b) t² + 2t - 1 (c) 24t² - 24t + 48. (d) …
Web17 jan. 2024 · see below Left Hand Side: Use the identity sin^2 beta + cos^2 beta = 1 cos^2 beta - sin^2 beta = (1-sin^2 beta)- sin^2 beta =1-sin^2 beta -sin^2 beta =1-2 sin^2 beta … WebIf 2sin2β−cos2β=2, then βis A 30o B 45o C 90o D 60o Easy Open in App Solution Verified by Toppr Correct option is C) Was this answer helpful? 0 0 Similar questions The length …
Web23 jan. 2024 · If 2sin2β−cos2β=2, then β is (a) 0∘ (b) 90∘ (c) 45∘ (d) 30∘ 8. If the angles of ABC are in ratio . The world’s only live instant tutoring platform. Become a tutor About us … Web2 sep. 2024 · If 2sin²β – cos²β = 2 then β is 90° Given : 2sin²β – cos²β = 2 To find : The angle β Solution : Step 1 of 2 : Write down the given equation Here it is given that 2sin²β …
WebSo AM:PN = AB:PQ = 2:3 1 7 (b) 22sin2β – cos β = 2 Then 22 sin β – (1- sin2β) = 2 3 2sin β =3 or sin2β =1 β is 90ᵒ 1 8 (c) Since it has a terminating decimal expansion, so prime factors of the denominator will be 2,5 1 9 (a) Lines x=a is a line parallel to y axis and y=b is a line parallel to x axis. So they will intersect. 1
Web4 dec. 2024 · If 2sin2β – cos2β = 2, then β is. 0 votes . asked Dec 4, 2024 in Class X Maths by Kamal (37.3k points) If 2sin 2 β – cos 2 β = 2, then β is (a) 0 ... business case problem statement examplesWebSolution The correct option is A 2 tan β Explanation for the correct option: Finding the value of tan α: Given ⇒ cos 2 α = ( 3 cos 2 β – 1) ( 3 – cos 2 β) …. ( i) ⇒ tan 2 α = ( sin 2 α) ( … handrails whiteWeb6 sep. 2024 · selected Sep 7, 2024 by Adarsh01. Best answer. Correct answer is: (b) 90ᵒ. 2sin2β – cos2β = 2. Then 2 sin2β – (1- sin2β) = 2. 3 sin2β =3 or sin2β =1. β is 90ᵒ. ← … business case rechnenWeb17 jul. 2024 · A line makes angle α, β, γ with x-axis, y-axis and z-axis respectively then cos 2α + cos 2β + cos 2γ is equal to (a) 2 (b) 1 (c) -2 (d) -1 Answer/Explanation 5. The equations of y-axis in space are (a) x = 0, y = 0 (b) x = 0, z = 0 (c) y = 0, z = 0 (d) y = 0 Answer/Explanation 6. If the direction cosines of a line are , then value of k is (a) k > 0 business case project beispielWeb6 sep. 2024 · 2 sin²β – cos²β = 2 Then, 2 sin²β – (1- sin²β) = 2 3 sin²β =3 or sin²β =1 ∴ β is 90ᵒ. So, option (b) 90ᵒ is the correct answer. handrail support spacingWeb2 jul. 2024 · If sin β is geometric mean between sin α and cos α, then cos2 β is equal to. jee; jee mains; Share It On Facebook Twitter Email. 1 Answer +3 votes . answered Jul 2, … business case project managementWebAnswer (1 of 15): since, we know that value of sin does’t greater than 1. therefore, sinA+sinB <=2 but sin A+sinB = 2 is given. therefore, sinA = sinB = 1 then, A = B = (pi)/2 … business case research paper