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Proving identities: 1) 1+ 1/tan^2x

Trigonometry identities are so hard...I need some help proving these identities: *Oh, and I'm only in grade 11, so the
1. 5 answers
2. asked by Lucy
3. 746 views
Proving Trigonometric Identities1. sec^2x + csc^2x= (sec^2 x)(csc^2 x) 2. sin ^3 x / sin x - cos 3x / cos x = 2 3. 1- cos x/ sin
1. 1 answer
2. asked by mm
3. 1,054 views
Proving identities: tell wether or not f(x)=sin x is an identity (Does it simplify to Sin x) ? Please help(sin^3x)(1+cot^2x)
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2. asked by Oscar
3. 394 views
Hello! I have been learning about proving identities and can do simple ones but lately I have been really struggling. I am
1. 5 answers
2. asked by Jenny
3. 600 views
I need help proving trigonometric identities. Most of my difficulty lies in actually factoring the equation. For example, one of
1. 1 answer
2. asked by Jessica
3. 490 views
Proving Identities:2 columns (tan + cot)^2 = sec^2 + csc^2 I'm having trouble breaking down the left side to = the right side..
1. 6 answers
2. asked by Don
3. 513 views
Proving identities:1) 1+ 1/tan^2x = 1/sin^2x 2) 2sin^2 x-1 = sin^2x - cos^2x 3) 1/cosx - cosx = sin x tan x 4) sin x + tan x
1. 3 answers
2. asked by Deepa
3. 774 views
I am having trouble with trigenometric identities I cannot figure it out for example sin³x+sin²xcos²x, could I get the steps
1. 2 answers
2. asked by devry
3. 619 views
Currently in school we're learning about proving identities and for extra credit I got this problem.cosB= -8/17 in quad II and I
1. 1 answer
2. asked by Luis
3. 564 views
in proving trigonometric identities if cotangent theta multiply sine theta is equal to cosine theta. what is the correct answer?
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2. asked by mien
3. 499 views