1+sin2x/sin2x=1+1/2(secx)(cscx)

1+sin2x/sin2x=1+1/2(secx)(cscx)
1. 1 answer
2. asked by Amanda
3. 2,041 views
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. 3,406 views
find all solutions in interval [0,2pi]tan²x = -3/2 secx This question may look tricky, but its actually quite simple. First:
1. 0 answers
2. asked by ethan
3. 727 views
Prove the following identity. Show all steps clearly. the ----- indicates that it is a fraction.L.S cos2x sin(pi+x)
1. 2 answers
2. asked by Riley
3. 661 views
If secx = 8 and -pi/2 < x < 0, find the exact value of sin2xUse the identity sin 2x = 2(sinx)(cosx) if secx = 8, then cosx = 1/8
1. 0 answers
2. asked by Ashley
3. 1,166 views
Simplify cotx sin2x cscx
1. 1 answer
2. asked by nilii
3. 465 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. 918 views
secx = 4 in Q2 find sin2x,cos2x,tan2x
1. 2 answers
2. asked by j
3. 852 views
since sin2x+√3cos2x=2sin(2x+60) find the general solution for the equation sin2x+√3cosx=0thank you
1. 1 answer
2. asked by phillip
3. 618 views
Verify the trigonometric identity:[(1–sin²x)/sin²x]–[(csc²x–1)/cos²x]= -tan²x I still can't figure this out.
1. 2 answers
2. asked by Matt
3. 1,315 views