sin2x = (radical 3)/ 2

if sin2x=3sin2y,prove that: 2tan(x-y)=tan(x+y) ( here, in sin2x, 2x is an angle., like there's a formula:sin2x=2sinxcosx and
1. 7 answers
2. asked by aayush
3. 3,409 views
sin2x = (radical 3)/ 2solve each equation on the interval [0,2pi)
1. 3 answers
2. asked by tom
3. 2,064 views
is x=15 degrees a solution of radical 3/3 cos2x+sin2x=0
1. 1 answer
2. asked by larry
3. 518 views
I'm adding 2(radical 50) + 12 (radical 8). I began by breaking the radical fifty into two parts: the radical of 25 and the
1. 1 answer
2. asked by Eve
3. 970 views
Find the area of the rectangle shown in the figure.length = radical (3) + radical (5) width = radical (3) + radical (5) My
1. 0 answers
2. asked by jasort20
3. 890 views
Simplify by combining like terms.Problem #32 radical (63) - 2 radical (28) + 5 radical (7) My answer: 4radical(7) Problem #50
1. 0 answers
2. asked by jasort20
3. 906 views
Can somoene helpme plz...Simplify radical 7 * radical 14 wouldn't it be radical (7*14) = radical (98) = 7radical (14) = 7
1. 0 answers
2. asked by jasmine20
3. 694 views
Find the domain of the following functions.1. y= radical(x-3) - radical(x+3) 2. y= [radical(2x-9)] / 2x+9 3. y= radical(x^2 - 5x
1. 1 answer
2. asked by April
3. 1,128 views
d/dx(e^sinx2x)=a)-cos2xe^sinx2x b)cosxe^sin2x c)2e^sin2x d)2cos2xe^sin2x e)-2cos2xe^sin2x
1. 1 answer
2. asked by victoria
3. 919 views
Verify the trigonometric identity:[(1–sin²x)/sin²x]–[(csc²x–1)/cos²x]= -tan²x I can't figure this out.
1. 0 answers
2. asked by Matt
3. 662 views