Prove: tan2x+sec2x = cosx+sinx/ cosx-sinx

prove that(cosx - sinx) / (cosx + sinx) = sec2x - tan2x
1. 2 answers
2. asked by urgent
3. 352 views
Prove:tan2x+sec2x = cosx+sinx/ cosx-sinx
1. 3 answers
2. asked by Beatriz
3. 4,864 views
PLEASEE HELPPMEEE!!!!cot2x+sec2x=tan2x+csc2x and 1+2sinxcosx/sinx+cosx=sinx + cosx
1. 1 answer
2. asked by Sabrina
3. 734 views
How would you solve the trigonometric identity (cosx-sinx)/(cosx+sinx)=sec2x-tan2x?
1. 1 answer
2. asked by Riley
3. 464 views
Simplify #3:[cosx-sin(90-x)sinx]/[cosx-cos(180-x)tanx] = [cosx-(sin90cosx-cos90sinx)sinx]/[cosx-(cos180cosx+sinx180sinx)tanx] =
1. 1 answer
2. asked by Anonymous
3. 1,054 views
I need to prove that the following is true. Thanks(cosx / 1-sinx ) = ( 1+sinx / cosx ) I recall this question causing all kinds
1. 0 answers
2. asked by abdo
3. 971 views
prove the identity(sinX)^6 +(cosX)^6= 1 - 3(sinX)^2 (cosX)^2 sinX^6= sinx^2 ^3 = (1-cosX^2)^3 = (1-2CosX^2 + cos^4) (1-cosX^2)
1. 0 answers
2. asked by JungJung
3. 893 views
Prove the following functions:(sinx+sin2x)/(1+cosx+cos2x)=tan x (cos3x/sinx)+(sin3x/cosx)=2cot2x tan2x=(2/cotx-tanx) theses are
1. 2 answers
2. asked by jared
3. 1,075 views
Trigonometric IdentitiesProve: (tanx + secx -1)/(tanx - secx + 1)= tanx + secx My work so far: (sinx/cosx + 1/cosx +
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2. asked by Dave
3. 1,424 views
tanx+secx=2cosx(sinx/cosx)+ (1/cosx)=2cosx (sinx+1)/cosx =2cosx multiplying both sides by cosx sinx + 1 =2cos^2x sinx+1 =
1. 0 answers
2. asked by shan
3. 958 views