trig pre calc
posted by trig identities .
cos x (sec x +cos x csc2x)=csc2x

trig pre calc 
bobpursley
cosx secx=1
cos^2 *csc^2= ctn^2 x
1+ctn^2=csc^2
multipy left by sin^2/sin^2
1/sin^2 (sin^2+cos^2)=
csc^2 = csc^2
Respond to this Question
Similar Questions

calc. trig substitution
s integral s 1/ [ (x^4) sq.rt(x^2+9)] i know x=3tanx sq.rt(x^2+9)= 3 secx dx= 3/[cos^2(x)] so far i know: = 1/ (3tan^4(x)) 3secx cos^2(x)) dx =1/ 81 [ (sin^4 (x)/cos^4 (x)) (1/cosx) (cos^2(x))] then i'm not really sure what to do … 
math
How would you establish this identity: (1+sec(beta))/(sec(beta))=(sin^2(beta))/(1cos(beta)) on the right, sin^2 = 1cos^2, that factor to 1cos * `1+cos, then the denominator makes the entire right side 1+cosB which is 1+1/sec which … 
math
i have a few questions cosx + cosx =2secx   1+sinx 1sinx cos(xB)cos(xB) = 2sinxsinB csc2x= 1 secx cscx  2 cotx= cos5x+cos3x  sin 5xsin 3x 
TRIG!
Posted by hayden on Monday, February 23, 2009 at 4:05pm. sin^6 x + cos^6 x=1  (3/4)sin^2 2x work on one side only! Responses Trig please help!  Reiny, Monday, February 23, 2009 at 4:27pm LS looks like the sum of cubes sin^6 x + cos^6 … 
trig 26
simplify to a constant or trig func. 1. sec ²utan ²u/cos ²v+sin ²v change expression to only sines and cosines. then to a basic trig function. 2. sin(theta)  tan(theta)*cos(theta)+ cos(pi/2  theta) 3. (sec y  tan y)(sec y + … 
precalc help !!!!!!!
#1 cos x+sec x=2 #2 (1+tan x)^2= 2 tan x+2 #3 cos^2xsin^2 x+1=cos x please show all work & thanks 
trig
How do you solve csc2x + 1 = 0 
Trigonometry
Solve the trigonometric equations. 1.) SIN²x(CSC²x1) 2.) COT x SEC X 3.) COS²[(π/2)x]/COS X (Note: These mathematical problems are somewhat tricky, but useful for students as of learning how to their fundamental identities. … 
Trigonometry
Verify the identities. 1.) √1COSθ/1+COSθ= 1+SINθ/SINθ 2.) SEC X SIN(π/2X)= 1 3.) CSC X(CSC XSIN X)+SIN XCOS X/SIN X + COT X= CSC²X 4.) CSC^4 X2 CSC²X+1= COT^4 X 5.) CSC^4 θCOT^4 θ= 2 … 
Pre Calculus
Multiply; then use fundamental identities to simplify the expression below and determine which of the following is not equivalent. (sin x + cos x) ^2 a. 1+2sinxcosx b. sec^2x−tan^2x+2cosxsinx c.sec x + 2 sin x/sec x d. sin^2x+cos^2x …