If 3cos2theta+4sin2theta 5
Web29 nov. 2016 · Explanation: 3cos2t − 4cost +1 = 0 Solve the quadratic equation for cos t. We have: a = 3, b = -4, and c = 1. Since a + b + c = 0, use shortcut. The 2 real roots are: … WebShwetank Mauria Dec 23, 2016 In the form of an inverse function α = sinβ can be written as β = sin−1α or β = arcsinα. How do you find the value of sin20(θ) using the double angle identity? Find sin (20) deg Explanation: Call sin 20 = t Apply the trig formula: sin3a = 3sina −4sin3a sin60 = 23 = 3t−4t3 ...
If 3cos2theta+4sin2theta 5
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WebLet us consider a right ΔABC right angled at B and ∠𝐶 = 𝜃. So, if BC = 8k, then AC = 17k, where k is a positive number. Using Pythagoras theorem, we have: Web7 sep. 2014 · 1 Answer Wataru Sep 7, 2014 The area of the region enclosed by the curve r = 3(1 = cosθ) can be found by the double integral ∫ 2π 0 ∫ 3(1+cosθ) 0 rdrdθ = 27 2 π Let us evaluate the double integral. ∫ 2π 0 ∫ 3(1+cosθ) 0 rdrdθ by Power Rule, = ∫ 2π 0 [ r2 2]3(1+cosθ) 0 dθ = ∫ 2π 0 [3(1 + cosθ)]2 2 dθ = 9 2 ∫ 2π 0 (1 + 2cosθ + cos2θ)dθ
WebSolution The correct option is B 13 - 4 cos 6 θ Explanation for the correct answer: Let S = 3 cos θ - sin θ 4 + 6 sin θ + cos θ 2 + 4 sin 6 θ ⇒ S = 3 cos θ - sin θ 2 2 + 6 sin θ + cos θ 2 + 4 ( sin 2 θ) 3 ∵ a - b 2 = a 2 + b 2 - 2 a b ⇒ S = 3 cos 2 θ + sin 2 θ - 2 sin θ cos θ 2 + 6 cos 2 θ + sin 2 θ + 2 sin θ cos θ + 4 1 - cos 2 θ 3 Web10 nov. 2024 · Hypotenuse: The side opposite to the right angle is the hypotenuse, It is the longest side in a right-angled triangle and opposite to the 90° angle. Base: The side on …
WebGiven that α and β are the roots of equation (i). ∴ tan α and tan β are the roots of equation (ii) since it is a quadratic equation in tan θ. Now, Sum of the roots of equation (ii), ∴ tan α … Web1.Graph the polar equation r=3-2sin(theta) 2. Find the polar coordinates of 6 radical 3,6 for r > 0. 3. Find the rectangular coordinates of (7, 30°). 4. Write the rectangular equation in polar form. (x – 4)2 + y2 = 16 5. Write the equation –2x + 6y = 7 3 answers Pre-calculus; urgent ! Please help ! asked by Becca 719 views
Web12 jan. 2024 · sintheta+ costheta=sqrt3costheta =>sintheta=sqrt3costheta-costheta =>sintheta=(sqrt3-1)costheta =>sintheta/costheta=(sqrt3-1) =>sintheta/costheta=((sqrt3 …
WebFree math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. the wiggles we\u0027re the crocodile bandWeb9 apr. 2024 · 4sin2theta cos2theta + (5)/ (cos2theta )= (13sin2theta )/ (cos2theta ) Follow • 1 Comment • 1 Report 1 Expert Answer Best Newest Oldest Yefim S. answered • … the wiggles we re all fruit salad albumsWebGraph r=3cos (2theta) r = 3cos (2θ) r = 3 cos ( 2 θ) Using the formula r = asin(nθ) r = a sin ( n θ) or r = acos(nθ) r = a cos ( n θ), where a ≠ 0 a ≠ 0 and n n is an integer > 1 > 1, graph … the wiggles we\\u0027re all fruit salad tourWeb10 sep. 2016 · 2 MEANS SQUARE.7 SIN2theta+3COS2theta=44SIN2theta+3SIN2theta+3COS2theta=4 … the wiggles wheels on the busWeb1 Answer. Almost good. You made a mistake on the second last line: the 2 should have been distributed to both the 1 and the cos 2 θ. Instead of 2 cos 3 θ − cos θ − ( 2 cos θ − … the wiggles what\\u0027s this button forWeb29 mei 2024 · Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their … the wiggles were all fruit salad to workWebIf 3sintheta + 4costheta = 5 , then find the value of 4sintheta - 3costheta . Question If 3sinθ+4cosθ=5, then find the value of 4sinθ−3cosθ. Easy Solution Verified by Toppr We … the wiggles western trailer