  Math Central - mathcentral.uregina.ca  Quandaries & Queries    Q & Q    Topic: precalculus   start over

4 items are filed under this topic.    Page1/1            Some trig problems 2004-01-18 From Weisu:I have some questions about pre-calculus. (1) (2(cos(x))^2)+3sin(x)-1=0 (2) sin(x)cos(x)=(1/2) (3) 3sin(x)=1+cos(2x) (4) tan(x)*csc(x)=csc(x)+1 (5) sin(arccsc(8/5)) (6) tan(arcsin(24/25)) (7) arccos(cos(11pi/6)) the last problem uses radian measure. Answered by Penny Nom.     Two precalculus problems 2003-08-04 From Kate:Please help me verify the identity: cos2x(sec2x-1)=sin2x Also I am having trouble withdetermining whether f(x) is odd, even, or neither f(x)=x3-x Answered by Penny Nom.     Some trigonometry 2000-08-11 From Angela:I have some PreCal questions. I am a student at the secondary level. I would be very grateful for your help. Solve the equation for theta (0 <= theta < 2pi). tan2(theta) = 3 I know sec2(theta) -1 = tan2(theta) ...Answered by Harley Weston.     Even and Odd Function 1999-06-17 From Kent:There is one function with the domain of all real numbers that is both even and odd. Please give me the answer to this question before I go insane.Answered by Penny Nom.      Page1/1    Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences.    about math central :: site map :: links :: notre site français