Mathematics

Mathematics, 01.09.2019 10:10, franky2871

Given sine of alpha equals 2/3 and cosine of alpha is less than zero, find the exact value of the other five trigonometric functions

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Mathematics, 04.07.2019 13:30, jayonelijah

(20 points) which conjunction or disjunction is equivalent to following open sentence? [tex]|\alpha - 9|\leq 4[/tex] a. [tex]\alpha - 9 \geq 4[/tex] and [tex]\alpha - 9 \leq 4[/tex] b. [tex]\alpha - 9 \leq 4[/tex] or [tex]\alpha - 9 \geq -4[/tex] c. [tex]\alpha - 9 \leq 4[/tex] and [tex]\alpha - 9 \leq -4[/tex] d. [tex]\alpha - 9 \leq 4[/tex] and [tex]\alpha - 9 \geq -4[/tex]

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Mathematics, 13.07.2019 00:30, starsapphire627

To use trigonometric functions to find sides and angles of right triangles. the functions sine, cosine, and tangent are called trigonometric functions (often shortened to "trig functions"). trigonometric just means "measuring triangles." these functions are called trigonometric because they are used to find the lengths of sides or the measures of angles for right triangles. they can be used, with some effort, to find measures of any triangle, but in this problem we will focus on right triangles. right triangles are by far the most commonly used triangles in physics, and they are particularly easy to measure.

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Mathematics, 27.08.2019 18:20, TropicalFan

Find the exact value of the expressions cosine left parenthesis alpha plus beta right parenthesiscos(α+β), sine left parenthesis alpha plus beta right parenthesissin(α+β) and tangent left parenthesis alpha plus beta right parenthesistan(α+β) under the following conditions: cosine left parenthesis alpha right parenthesis equals startfraction 12 over 13 endfractioncos(α)= 12 13, alphaα lies in quadrant iv, and sine left parenthesis beta right parenthesis equals startfraction negative 6 over 13 endfractionsin(β)= −6 13, betaβ lies in quadrant iii. what is tangent (alpha +beta)i need to find answer to tan(alpha + beta) when sin (alpha+beta) =5square root 133 - 72/169 and cos(alpha+beta) = -12square root 133 + 30/169. cos 12/13 quad 4; sin -6/13 quad 3

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Mathematics, 27.10.2019 05:43, juliaduenkelsbu

6.1.7 question given that sine alpha sin α equals = startfraction startroot 11 endroot over 6 endfraction 11 6 , cosine alpha cos α equals = five sixths 5 6 , and tangent alpha tan α equals = startfraction startroot 11 endroot over 5 endfraction 11 5 , find cosecant alpha comma csc α, secant alpha comma sec α, and cotangent alpha . cot α. cosecant alpha csc α equals = nothing secant alpha sec α equals = nothing cotangent alpha cot α equals = nothing (simplify your answers, including any radicals. use integers or fractions for any numbers in the expressions.) enter your answer in the edit fields and then click check answer.

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