lochana2500
lochana2500
Male
May 22, 2012
Student
High School - 12th Grade
Mathematics
Mathematics , Chemistry , Physics
Biography
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New Activity for lochana2500
Earned a Badge
Answered a Question in Math
L:H:S ≡ sec²x - sec²y ⇒ use the identity sec²θ = 1 + tan²θ ...
Answered a Question in Math
Answered a Question in Math
R:H:S ≡sec x(sec x - tan x) = [1/cosx] * [(1-sinx)/cosx] =...
Answered a Question in Math
L:H:S ≡ (1-tan x+sec x) ÷ (1+tan x+sec x) we know that 1 = sec²x -...
Answered a Question in Math
L:H:S ≡ (cosx-sinx)(cosx+sinx) = cos²x - sin²x = cosx.cosx - sinx.sinx...
Answered a Question in Math
------------------------------- tan²x ÷ (1+tan²x) ≠ tanx tan²x...
Answered a Question in Math
R:H:S ≡ tan²x.sin²x = tan²x(1-cos²x) = tan²x - tan²x.cos²x =...
Answered a Question in Math
Answered a Question in Math
Answered a Question in Math
L:H:S ≡ tanx(cotx + tanx) = tanx.cotx + tan²x ⇒ tanθ.cotθ =...
Answered a Question in Math
L:H:S ≡ 1/tan²x - 1/cot²x = cot²x - tan²x ⇒ use the identities...
Answered a Question in Math
Answered a Question in Math
Answered a Question in Math
L:H:S ≡ tan²x - sin²x.tan²x = tan²x(1-sin²x) = tan²x.cos²x =...
Answered a Question in trigonometry1
the above answer has a little mistake : ----------------------------- tan (x -...
Answered a Question in Math
R:H:S ≡ sec 2x - tan 2x = (1 - sin 2x)/cos 2x = (1-2sinx.cosx)/ (cos²x -...
Answered a Question in Math
R:H:S ≡ tan²y.sin²y = tan²y (1-cos²y) = tan²y - tan²y.cos²y =...
Answered a Question in Math
R:H:S ≡ tan(x + π/4 ) = (tanx + tan π/4) / (1-tanx.tan π/4) = (tanx + 1) /...
Answered a Question in Math
R:H:S ≡ tan²x.sin²x = tan²x(1-cos²x) = tan²x - tan²x.cos²x =...
Answered a Question in Math
1). L:H:S:≡ tanθ/(1-cotθ) + cotθ/(1-tanθ) = tanθ /[(tanθ-1)/tanθ] +...
Asked a Question in Math
if a cosß - b sinß = c , prove that : a sinß + b cosß = ± √a² + b² - c²
Answered a Question in Math
I found an easy way to prove that L:HS ≡ 1/(cosecA - cotA) - cosecA = {(cosecA...
Earned a Badge
Asked a Question in Math
Prove the trigonometric identity 1 /(cosec A - cotA) - 1/sinA...
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