Verify the identities.  A) (2sinx+cosx)^2 + (2cosx-sinx)^2=5 B) (cos(theta)+1)/tan^2(theta)= (cos(theta))/sec(theta)-1 C) (1-cosx)/(1+cosx) = (cotx-cscx)^2

Q: which of the following expressions is equivalent to: 3cot^2(t)/csc(t)   a. 3-3cos^2(t)/cos(t) b.…

A: This question is related to trignometry, We will solve it using trignometric identities.

Q: 1+cos2x 3. cotx sin 2x

A:

Q: Find the value of x  sin2x=sin600cos300-cos600sin300

A: Given,           sin2x=sin60°cos30°-cos60°sin30°

Q: x+(1/x)=2 cos theta , then show that x2+(1/x2 )=2 cos2 theta

A:

Q: Cosx 1+sinx 11. 1+sinx 2secx Cosx

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Q: Prove the following trigonometric identities. 1 cotx a) 6 cosx| 6 cosx = 6sin² x COSX CSCX

A: The details solution is given below

Q: 2dx 2 2 cos x√ 4tanx - tan x S-

A:

Q: Show that os (2 tan~ r) COs

A: We have to prove that cos(2tan-1x)=1-x21+x2.

Q: sin² x x cos²x csc²x-cot²x 4csc²2x

A: This is the question from other math, finite math and counting and identity.

Q: sin x + 1+ COS X 1+ cOS X = 2 csc X sin x

A: Given,          1+cosxsinx+sinx1+cosx=2cscx

Q: Use the cofunction identities to select the correct answer which fills in the blank. cos(10x) = sin_…

A: We know that, sin(90°+x) = cos(x) sin(90°-x) = cos(x)

Q: Find the value of x  sin2x=sin600cos300-cos600sin300

A: you can clearly understand if you follow the below solution

Q: cos2x+1 CSCX cosx 2 tanx+cotx

A: cos2x+12=cosecx.cosxtanx+cotxL.H.S.=cos2x+12we know that…

Q: prove identity cos^4 (A) -sin^4 (A) = 1 - 2 sin^2(A)

A:

Q: (sinx/ 1-cosx)=cscx + cotx   verify the identity

A: