Topic: Trig Values
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Answers to Common Questions
What Is the Value of Dutch Trig?
Dutch Trig induces resistance in elm trees to fend off beetle-inflicted Dutch elm disease infections with its own natural defence mechanisms. Dutch Trig prevents Dutch elm disease in uninfected elms. The injection system is self contained c... Read More »
Source: http://www.hc-sc.gc.ca/cps-spc/pest/part/consultations/_prd2009-1...
What is the value of this trig function?
Is the triangle in the 3d or 4th quadrant? If the angle is placed in the third quadrant, it's .41666667 (5/12), but if it's in the 4th quadrant, it's -.41666667 (-5/12) Read More »
Source: http://answers.yahoo.com/question/index?qid=20090417085412AAXfsVE
What is the value of this trig problem?
sin π/6 = 1/2 cos π/6 = cos -π/6 = √3/2 sin² π/6 - 2 sin π/6 cos π/6 + cos ² (-π/6) => (1/2)² - 2*1/2*√3/2 + (√3/2)² => 1/4 - √3/2 + 3/4 => 1-√3/2 => (2-√3)/2 Read More »
Source: http://answers.yahoo.com/question/index?qid=20080625133650AAiRtAy
More Common Questions
Answers to Other Common Questions
The sine of 315 degrees is -.707, cosine = .707, tangent= -1, secant= 1.41, cosecant =-1.41 and cotan= -1.
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Source: http://www.chacha.com/question/what-are-the-values-of-the-6-trig-...
What trig value for 1/2 would you like sine, cosine, tangent, cotangent, cosine, secant? And for 1/2 or for pi/2?
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Source: http://www.chacha.com/question/what-is-the-trig-value-for-1%26%23...
Square root of 2 over 2 is the exact value of the trig function sin-135.
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Source: http://www.chacha.com/question/what-is-the-exact-value-of-the-tri...
use l'hopital's rule -2sin(2x) -------------- 6x -4cos(2x) ------------- 6 plug in 0 for x in that last equation and you'll get -2/3
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Source: http://answers.yahoo.com/question/index?qid=20111019071219AAxZ0mM
5pi/4 = pi + pi/4 = pi/4 in the Quadrant III (x, y) = (negative, negative) sec(5pi/4) = 1 / cos(5pi/4) = 1 / cos(pi + pi/4) = 1 / [ cos(pi) cos(pi/4) - sin(pi) sin(pi/4) ] = 1 / { (-1) [ 1 / sqrt(2) ] - (0) [ sqrt(2) / 2 ] } = - sqrt(2) I u...
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Source: http://answers.yahoo.com/question/index?qid=20111104202843AAXcZSu
You should memorize the sin and cos of certain special angles or remember how to calculate them quickly (from a 30-60-90 or 45-45-90 triangle). For 30 degrees (pi/6): sin = 1/2 and cos = sqrt(3)/2 For 45 degrees (pi/4): sin = sqrt(2)/2 and ...
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Source: http://answers.yahoo.com/question/index?qid=20120123201231AAd8yMg
tan a = y / x ==> y = 2 and x = 5 x^2 + y^2 = r^2 ==> 5^2 + 2^2 = r^2 = 29 r = sqrt(29) cos a = x / r = 5 / sqrt(29) sin a = y / r = 2 / sqrt(29) 2 sin a cos a = 2(5 / sqrt(29))(2 / sqrt(29)) = 20 / 29 2 sin a cos a = 20 / 29 **** 2 sin a c...
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Source: http://answers.yahoo.com/question/index?qid=20100228194019AAxOh0k
