Questions Answered

VeroZarate:
Find an exact value: cos(pi/12)
 updated one year ago
 10 replies
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VeroZarate:
Verify (sinx/1cos^2x) + (sinx/1+cos^2x)= 2cscx
 updated one year ago
 1 reply
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VeroZarate:
Verify that cot x sec4x = cot x + 2 tan x + tan3x
 updated one year ago
 49 replies
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VeroZarate:
Verify that (sin x)(tan x cos x – cot x cos x) = 1 – 2 cos2x
 updated one year ago
 18 replies
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VeroZarate:
Verify that cot x sec4x = cot x + 2 tan x + tan3x
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 updated one year ago
 25 replies
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VeroZarate:
Find all solutions in the interval [0, 2pi).
(sin x) (cos x) = 0
 updated one year ago
 27 replies
 1 Medal

VeroZarate:
Simplify the expression.
cos^2x + sin^2x / cot^2x csc^2x
 updated one year ago
 6 replies
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VeroZarate:
Use basic identities to simplify the expression.
csc(theta) * cot(theta) / sec (theta)
 updated one year ago
 5 replies
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VeroZarate:
Use basic identities to simplify the expression.
costheta * cottheta/sectheta
 updated one year ago
 5 replies
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VeroZarate:
Use basic identities to simplify the expression.
cot θ sec θ sin θ
 updated one year ago
 5 replies
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VeroZarate:
Find tan θ if sec θ = square root of ten divided by three and sin θ < 0.
 updated one year ago
 2 replies
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VeroZarate:
Find sin θ if cot θ = –2 and cos θ < 0.
I don't understand this lesson at all.
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 updated one year ago
 23 replies
 1 Medal