CBSE Class 11-science Maths Multiple Angle Formulae
-
Review of trigonometric formulae and solve problems
Review of trigonometric formulae and solve problems. Derive the expressions -
Revising trigonometric formulae and solve problems
Review of trigonometric formulae and solve problems. Derive the expressions -
Revising trigonometric formulae
Review of trigonometric formulae and solve problems. Derive the expressions
- Prove that 2sin^2 y + 4cos(x + y) sinxsiny ny + cos 2 * (x + y) = cos 2x
- Cos5π/4-sin5π/4+tan11π/4-cot11π/4? SIn4530°? Cos (-9π/4)? Sin 120°cos 150°-cos240°sin330°? If tan35°=k then,Tan145°-Tan125°/1+Tan145°.Tan125°?
-
clear my doubt
-
trigonometry ka question hai please solve
- Prove that cos^2 pi/8 + cos^2 3pi/8 + cos^2 5pi/8 + cos^2 7pi/8 =2
- 2 tan B + cot B = tan A , show that 2 tan(A-B) = cot B
- sinx1sinx2-cosx1cosx2+1=0 the value of tanx1/2*tanx2/2 is alwya equal to?
- For any real x find the minimum and maximum value for the expression 3sin^2x +3sinxcosx + 7cos^2x.
- If sin x + cos x = sqrt{y+(1/y)} such that x belongs to [0,6Π] and y>0 prove that x = Π/4 or 9Π/4.
- (sinø-cosø)^2=1-sin2ø