Search 72,340 tutors

# Use the quadratic formula to find all solutions in the interval [0,2pi): tan^2x-6tanx+4=0

This is for my trig class, thanks for the help! If you could, could you please show all your work? Thanks again!

# Find all solutions in the interval [0,2pi): sin2x=cosx

This is for my trig class, thanks for the help! If you could, could you please show all your work? Thanks again!

# Find all solutions in the interval [0,2pi): tan^2x+(sqrt3 - 1)tanx-sqrt3 = 0

This is for my trig class, thanks for the help! If you could, could you please show all your work? Thanks again!

# Write sin(sin^-1x-cos^-1x as an algrebraic expression in x.

This is for my trig class, thanks for the help! If you could, could you please show all your work? Thanks again!

# Find the value of the other five trigonometric functions, given tanx= 4/11, secx<0.

This is for my trig class, thanks for the help! If you could, could you please show all your work? Thanks again!

# Use the quadratic formula to find all solutions in the interval [0,2pi): tan^2x-6tanx+4=0

This is for my trig class, thanks for the help!

# Verify: sin9x+sin5x/cos9x-cos5x=cot2x

This is for my trig class, thanks for the help!

# Verify: cosusinv=1/2[sin(u+v)-sin(u-v)

This is for my trig class, thanks for the help!

# Use the half angle formulas to determine.

A. sin22.5 degrees and  B. tanpi/12 degrees

# Given sintheta=4/5, theta lies in Quadrant II, find cos (theta/2)

This is for my trig class. Thanks for the help!

# Use the power reducing identities to write sin^2xcos^2x in terms of the first power of cosine.

This is for my trig class. Thanks for the help!

# Rationalize the denominator and simplify: cos^2x / 1 - sinx

This is for my trig class. Thanks for the help!

# Multiply and simplify: (cscx + 1)(cscx - 1)

This is for my trig class. Thanks for the help!

# Factor and simplify: sin^4x + (sin^2x)cos^2x

This is for my trig class. Thanks for the help!

# Simplify sec^2x + csc^2x / csc^2x(1+tan^2x)

This is for my trig class. Thanks for the help!

# Find the value of the other five trigonometric functions, given tanx= 4/11, secx<0.

This is for my trig class, thanks for the help!

# Perform the operation and write all work in standard form.

2/ 1 + i + 3/ 1 - i