WebIf 4 tan theta = 3 , then evaluate (4sintheta-costheta) (4sintheta+costheta) Question If 4tanθ=3, then evaluate (4sinθ+cosθ)(4sinθ−cosθ) Easy Solution Verified by Toppr Given 4Tanθ=3⇒Tanθ= 43 sinθ= 53cosθ= 54 4sinθ+cosθ4sinθ−cosθ= 4( 53)+ 544( 53)− 54 = 51658 = 21 Was this answer helpful? 0 0 Similar questions WebExplanation. tan θ = o p p a d j = 3 4. h y p 2 = o p p 2 + a d j 2. h y p = 3 2 + 4 2. = 5. sin θ = 3 5; cos θ = 4 5. sin θ + cos θ = 3 5 + 4 5. = 7 5 = 1 2 5. There is an explanation video available below.
Solve csc(θ) Microsoft Math Solver
WebExpert Answer. sec = 5/4 ; 3pi/2 < < 2pi cos = 4/5 a) sin ( +2pi ) = sin sin = - sqrt ( 1-cos^2) = sqrt ( 1- …. View the full answer. Transcribed image text: If sec (theta) = 5/4 where 3 pi/2 < theta < 2 pi Find the exact value of the following sin (theta + 2 pi) = tan (pi - theta) = sin (theta - 3 pi/2) = Sin (2 theta) = cos (2 theta) = sin ... WebDec 2, 2024 · Best answer Given, tan θ + sec θ = 4 ⇒ sin θ cos θ s i n θ c o s θ + 1 cos θ = 4 1 c o s θ = 4 1+sin θ cos θ = 4 1 + s i n θ c o s θ = 4 ⇒ sin2 θ 2 +cos2 θ 2 +2sin θ 2 cos θ 2 (cos2 θ 2 −sin2 θ 2) = 4 s i n 2 θ 2 + c o s 2 θ 2 + 2 s i … define negative externality economics
Using trigonometric identities (video) Khan Academy
WebSep 26, 2015 · How do you find the exact value of #sin(theta) = 4#? Trigonometry Trigonometric Identities and Equations Solving Trigonometric Equations. 1 Answer … WebJan 21, 2024 · sin θ = Perpendicular Hypotenuse So comparing with values, Perpendicular = 12 and Hypotenuse = 13 Using phythagorous you got base as 5. cos θ = Base Hypotenuse cos θ = 5 13 As cos θ positive as in IV quadrant. cot θ = Base Perpendicular cot θ = − 5 12 As cot θ negative as in IV quadrant. Share Cite Follow answered Jan 21, 2024 … WebYou would need an expression to work with. For example: Given sinα = 3 5 and cosα = − 4 5, you could find sin2α by using the double angle identity. sin2α = 2sinαcosα. sin2α = 2(3 5)( − 4 5) = − 24 25. You could find … feel the music headphones