Circle, short questions

On what ratio does y axis divide the line joining (-3,-1) and (4,5). Find the point on y axis too.

Trigonometric equation in terms of multiple angle

Class ten, optional mathematics, trigonometric equation

If tan x + Tany = 2 and 2 Cos x cos y = 1 find the value of x and y If tan x + cot y = 2 and 2 Cos x don't = 1/√2 find the value of x - y

Class ten, optional mathematics, trigonometric equations

Solve the given equation Sin A + Sin 2A + Sin 3A = 0 Cos 3A + Cos A = 2 Cos A TanA + Tan 3A + √ 3. Tan A  Tan 3A = √3 Sin A + Sin 5A = Sin 3A

Solve the given trigonometric equation 0≤θ≤180⁰

Sinθ = cos 2θ Tan 2θ- cot θ= 0 Sin3θ = cos 7θ Sin θ = cos θ Cosec 3θ= sec 2 θ

Solve the given trigonometric equation equation 0≰θ≤90°

Cosθ= 1/2 Sinθ= 1/2 4Sin²θ - 3 = 0 3tan²θ=1 ✓2 sec θ -2 = 0 Cosec θ = 2 3 sec ² θ - 4 = 0 Cosec² θ - 2 = 0 3 cot ² θ - 1 = 0

Find the locus of circumvented of a triangle formed by lines x+y=0, x-y=0, lx +my=1 and l^2+m^2=1

If A+B+ C =180°, prove that CosA + cosB+ cosC = 4CosA/2 CosB/2 SinC/2-1

If A+B+C = 180°, prove that cos A/2+ cos B/2 + cos C/2=

If A+B+C =180°, prove that sinA/2 + sinB/2 + SinC/2=...

CosA SinB SinC + CosB SinC SinA + CosC SinA SinB = 1 + 4cosA cosB cosC

In the given figure, ∠AEF=∠AFE and E is the mid-point of CA. Prove that BD/CD = BF/CE

ABCD is a trapezium where AB is parallel to CD. If both diagonals meets at point O and PQ is drawn parallel to AB , through O, prove that PO is equal to QO

Prove that area of equilateral triangle formed on hypotenuse of a right angles triangle is equal to area of equilateral triangles formed on two other sides

Prove that the area of semicircle formed on hypotenuse of a right angled triangle is equal to sum of area of semicircles formed on two other sides

Prove that ( cot A - Tan A) / ( CotA + tan A ) = cos2A

Find the locus of a point such that it's distance from (0,2) is one third of distance from (-2,3)

If A ( a,0)and B ( -a,0) are two points than find the locus of a point P under given condition under

2PA = 4PB PA^2 + PB^2 = AB^2

CotA CotB + CotC CotA + CotC CotB =1

Tan A + tanB + tan c = tanA tanB tanc

Cot(A/2) cot(B/2) cot(c/2)= cotA/2+ cotB/2+ cot c/2

Prove that tan(A/2)tan(B/2) + tan(B/2)tan(C/2) + tan(A/2)tan(c/2) =1

If given point lies on the given equation, find the value of a

Check whether given points lies on the equation or not

Find the locus of point which which is equidistant from given two points

Find the locus of point such that it's distance from given point is 5 unit

Class nine, opt math. Locus

Class ten, Conditional trigonometric identities

Class ten, conditional trigonometric equations I

Prove that Cos2A + Cos2B + Cos 2C = -1 - 4CosA CosB CosC Sin2A + Sin2B + Sin2c = 4 sinA sinB sin C

Transformation of trigonometric identities

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