trig
 👍
 👎
 👁

 👍
 👎
Respond to this Question
Similar Questions

trigonometry
if sin2x=3sin2y, prove that: 2tan(xy)=tan(x+y) ( here, in sin2x, 2x is an angle., like there's a formula:sin2x=2sinxcosx and sin2y=2sinycosy; ....)

Trigonometry
Simplify the expression using trig identities: 1. (sin4x  cos4x)/(sin2x cos2x) 2. (sinx(cotx)+cosx)/(2cotx)

Math
Solve the equation sin2x=2cos2x, for 0 degrees

math(advanced algebra&trigonometry)
the expression cos4x cos3x + sin4x sin3x is equivalent to which one of the following is the answer: 1) sinx 2) sin7x 3) cosx 4) cos7x

maths
prove that 1+sin2xcos2x / sin2x+cos2x = tanx

calc
sin2x = (radical 3)/ 2 solve each equation on the interval [0,2pi)

trig
Which expression is equivalent to tan(x)cos^2x? sin xcos x sin xcos x tan x + sin2x tan x − sin2x tan x − sin2x

trig
Verify the trigonometric identity: [(1–sin²x)/sin²x]–[(csc²x–1)/cos²x]= tan²x I still can't figure this out.

Precalculus
prove the identity sin2xsin2y/sin2x+sin2y=tan(xy)/tan(x+y)

trig
how can you confirm the identity cos^4x = (1/8)(3+ 4cos2x+ cos4x) and sin4x = (4sinxcosx)(2cos^2x1)

MATHEMATICS
what is the exact value of 12sin(15degrees)? also 2(sin2x)=2sinx solve it for 0

trig
sinx = 4/5 and x terminates in Quadrant II Find sin2x and cos2x How to get the answers, which are sin2x = 24/25, cos2x = 7/25?
You can view more similar questions or ask a new question.