WebJan 24, 2024 · When the height and the base side of the right triangle are known, we can find out the sine, cosine, tangent, secant, cosecant, and cotangent values using trigonometric formulas. All Trigonometry Formulas List Trigonometry Formula is the branch of Maths that deals primarily with triangles. WebMar 27, 2024 · See below. Instead of using formulas, it'd be easier to solve it geometrically, with a right triangle. Since csc theta = 1/sintheta = "hypotenuse"/"opposite"=c/a = 4/3, …
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WebOct 19, 2024 · 1 If sin θ = 3 4 and tan θ = 9 2 then find cos θ The solution is given in my reference as 1 6. cos θ = 1 − sin 2 θ = 1 − 9 16 = 7 16 = 7 4 cos θ = 1 sec θ = 1 1 + tan 2 θ = 1 1 + 81 4 = 2 85 cos θ = sin θ tan θ = 3 4 9 2 = 3 4. 2 9 = 1 6 Why is it getting confused here ? trigonometry Share Cite Follow edited Oct 19, 2024 at 13:14 WebMay 5, 2024 · Explanation: Since tan(θ) = 3 4 > 0 and sin(θ) < 0, θ is in quadrant 3 (since tan(θ) > 0 iff θ is in quadrant 1 or 3 and sin(θ) < 0 iff θ is in quadrant 3 or 4). cos(θ) must … refurb husqvarna chainsaw
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Webθ = 0 Explanation: cotθ = 1 ∴ tanθ = 1 θ = tan−1(1) = (4π)c ... More Items Examples Quadratic equation x2 − 4x − 5 = 0 Trigonometry 4sinθ cosθ = 2sinθ Linear equation y = 3x + 4 Arithmetic 699 ∗533 Matrix [ 2 5 3 4][ 2 −1 0 1 3 5] Simultaneous equation {8x + 2y = 46 7x + 3y = 47 Differentiation dxd (x − 5)(3x2 − 2) Integration ∫ 01 xe−x2dx Limits Websin θ = p / h means perpendicular/hypotenuse cos θ = b / h means base/hypotenuse tan θ = p / b means perpendicular/base This all means, if given two values in a right-angle triangle, we can find another third side of triangle. Especially for 10 class, this formula helps. Share Cite Follow edited Apr 13, 2015 at 15:27 hardmath 35.9k 20 71 138 WebCorrect option is C) tanθ+secθ=4⇒ cosθ1+sinθ=4⇒ 41+sinθ=cosθ Also, we know that, cos 2θ=1−sin 2θ⇒( 41+sinθ) 2=1−sin 2θ⇒1+sin 2θ+2sinθ=16−16sin 2θ⇒17sin 2θ+2sinθ− 15=0 ⇒(sinθ+1)(17sinθ−15)=0⇒sinθ= 1715 or −1 Therefore, Answer is 1715 Was this answer helpful? 0 0 Similar questions If sinθ−cosθ=0, then the value of ( sinθ+cosθ) is … refurb ipad 9th gen