How do you find the value of #sin ((2pi)/3)#? - Socratic
Jun 27, 2016 · How do you find the value of #sin ((2pi)/3)#? Trigonometry Trigonometric Identities and Equations Double Angle Identities. 1 Answer
How do you convert -pi/2 to degrees? - Socratic
Sep 14, 2016 · -90^o To convert this, let's first remember that a full circle, 360^o, is the same as 2pi. We can go around the circle in a counter-clockwise direction (which takes us from 0^o to …
How do you solve the equation costheta=-0.19 for 0<theta<2pi
Jan 16, 2017 · How do you solve the equation #costheta=-0.19# for #0<theta<2pi#? Trigonometry Trigonometric Identities and Equations Solving Trigonometric Equations 1 Answer
What is the amplitude, period and the phase shift of y= -3cos …
Nov 4, 2015 · Period of a function y=f(x) is a real number a such that f(x)=f(x+a) for any argument value x. For a function y=cos(x) the period equals to 2pi because the function repeats its …
How do you solve cosx=1+sin^2x in the interval 0<=x<=2pi?
Oct 31, 2016 · 0, 2pi Replace sin^2 x by (1 - cos^2 x), and bring the equation to standard form: cos x = 1 + 1 - cos^2 x cos^2 x + cos x - 2 = 0 Solve this quadratic equation for cos x. Since a …
How do you find the solution to 5sin^2theta+2sintheta=0 if …
Jan 9, 2017 · Given #color(white)("XXX")5sin^2(theta)+2sin(theta)=0# Factoring #color(white)("XXX")sin(theta) * (5sin(theta)+2)=0#
How do you solve -3cosx+3=2sin^2x in the interval 0<=x<=2pi?
Nov 7, 2016 · How do you solve #-3cosx+3=2sin^2x# in the interval #0<=x<=2pi#? Trigonometry Trigonometric Identities and Equations Solving Trigonometric Equations 1 Answer
How do you solve 2cos^2x-5cosx=3 in the interval 0<=x<=2pi?
#x = (2pi)/3 and (4pi)/3# Hopefully this helps! Answer link. Related questions. How do you find all ...
How do you solve #cos x = sin 2x#, within the interval [0,2pi)?
Apr 9, 2016 · Using the #color(blue)" double angle formula " #. sin2A = 2sinAcosA. hence: cosx = 2sinxcosx. and 2sinxcosx - cosx = 0
Evaluate? int_pi^(2pi)theta d theta - Socratic
Dec 14, 2016 · The integral int_pi^(2pi)theta d theta, by its very definition represents the area under the graph of the integrand y=theta (or y=x if you prefer) from theta=pi to theta=2pi (or …