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Trigonometry
Trigonometry Questions
A triangle has sides A, B, and C. The angle between sides A and B is #pi/4#. If side C has a length of #15 # and the angle between sides B and C is #pi/12#, what is the length of side A?
How do you show that #(tan^2x + 1)/(1 - tan^2x) = sec^2x#?
If #4cos^2(x)-3cos(x)=0# what is #cos(x)#?
How do you simplify #cos(pi-x)+cotxsin(x-pi/2)#?
How do you prove #tan (pi - x) = -tanx#?
How do you find all six trigonometric function of #theta# if the point #(sqrt2,sqrt2)# is on the terminal side of #theta#?
If cosh(x)=25/24 and x>0, how do you find the values of the other hyperbolic functions at x?
For what values of #x# does #f(x) = 4x + 8 sin x# have a horizontal tangent line?
How do you graph #y=sec(theta-pi/2)#?
Citing examples and making graphs, how do you explain that #f(r, theta;a,b,n,alpha )=r-(a + b cos n(theta- alpha) )=0# represents a family of limacons, rose curves, circles and more?
How do you solve: sin2θ + cosθ = 0 between 0 and 2pi?
How do you convert # (-4, pi/3)# to rectangular form?
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