X cot 2x

    • [DOC File]C3 Trigonometry - Caedmon College Whitby Maths Department

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      cot 2x + cosec 2x ( cot x, . (4) 5. (a) Express 2 cos ( + 5 sin ( in the form R cos (( ( (), where R > 0 and . Give the values of R and ( to 3 significant figures. (3) (b) Find the maximum and minimum values of 2 cos ( + 5 sin ( and the smallest possible value of ( for which the maximum occurs. (2) The temperature T (C, of an unheated building ...

      cos 2 x vs cos x 2

    • [DOCX File]A

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      cot x = cos x / sin x. Double Angle Formulas. sin 2x = 2 sin x cos x. cos 2x = cos2x – sin2x = 2cos2x – 1 = 1 – 2sin2x. Power Reducing Formulas. sin 2 x= 1- cos 2x 2 ii. cos 2 x= 1+ cos 2x 2 . Section 4: Unit Circle. Fill in the table. Answers should be exact. No decimals.

      cot 2x cot 3x 1 2

    • [DOC File]6.2 TRIG FUNCTIONS -- UNIT CIRCLE

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      tan t = y / x (x ( 0) cot t = x / y (y ( 0) Note: The unit circle is just a special case of this general theorem! Example: A) Find the values of the trig functions corresponding to (-4/5, 3/5) sin θ = csc θ = cos θ = sec θ = tan θ = cot θ = NOTE: If θ is on the unit circle, then r = 1 so sinθ=b, cosθ = a, and tanθ=b/a! ...

      tan x cot 2x 6

    • [DOC File]Yorkshire Maths Tutor

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      sin 2x – tan x tan x cos 2x, x (2n + 1)90°, n ∈ ℤ (4) (b) Given that x 90° and x 270°, solve, for 0 ⩽ x < 360°, sin 2x – tan x = 3 tan x sin x. Give your answers in degrees to one decimal place where appropriate. (Solutions based entirely on graphical or numerical methods are not acceptable.) (5) (Total 9 …

      rarr0 cot 2 x 1 x 2

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