Trigonometry Answers

prove that cot(a-b)-tan(a-b)=2sin2a/sin2a+sin2b

sin(x)-cos(x)= -0.3

solve for x

find to the nearest degree all values of theta in the interval 0 x 360 that satisfy 3 cos 2 theta+sin theta-1=0

if tan(A-B)=1 and sec(A+B)=2/underroot3 then the smallst positive value of B is_____________??

plz explain

What is the the general solution of e^(1/√2) (e^ sinx +e^cosx )=2

In a triangle ABC if A,B,C ar in A.P with sin(2A+B)=sin(C-A)=sin(B+2C)=1/2 then what are the values of A,B and C?

Express this complex number in trigonometric form (5/2)*sqrt(3) + (5/2)*i

use the half angle formula to find the exact value of sin15 degree

determine the exact value for sin 5x/8 (use a half-angle formula)

find the exact value of cos(165)