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CBSE COMPLEMENTARY MATERIAL-TRIGONOMETRIC FUNCTIONS -SHORT ANSWER TYPE QUESTIONS
- Draw the graph of cosx, sin x and tan x in [0, 2pi]
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- Draw sin x, sin 2x and sin 3x on same graph and with same scale
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- Evaluate(i) cos 36^(@) (ii)tan((13pi)/(12))
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- cos^4(pi/8)+cos^4((3pi)/8)+cos^4((5pi)/8)+cos^4((7pi)/8)=
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- If tanA=tanB=xa n dcotB-cotA=y , prove that cot(A-B)=1/x+1/y
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- If (sin(x+y))/(sin(x-y))=(a+b)/(a-b) , then show that (tanx)/(tany)=(...
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- if coxx=cosalpha.cosbeta then prove that tan((x+alpha)/2)*tan((x-alpha...
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- If tan(picostheta)=cot(pisintheta), then cos(theta-(pi)/(4))=pm(1)/(2s...
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- If sin(theta+alpha)=aa n dsin(theta+beta)=b , prove that cos2(alpha-be...
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- Find the range of 5 sin x – 12 cos x + 7
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- If alpha and beta are the solutions of the equation atan theta+ b s...
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- If alphaa n dbeta are the solutions of the equation at a ntheta+bs e c...
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- 2 sin^(2) beta + 4 cos( alpha+ beta) sin alpha sin beta + cos ( 2 alph...
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- If 81^(sin^2 x) + 81^(cos^2 x) = 30, where (pi//2) le x le pi, then x ...
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- Find the smallest positive number p for which the equation cos (p sin...
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- Find the smallest positive number p for which the equation cos (p sin...
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- Solve: 4sinxsin2xsin4x=sin3x
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- Solve: costheta cos2theta cos3theta =(1)/(4)
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- (1+ "cos "(pi)/(8)) (1+ "cos"(3pi)/(8)) (1+ "cos" (5pi)/(8)) (1+ "cos ...
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- prove that 4sinalpha.sin(alpha+pi/3).sin(alpha+(2pi)/3)=sin3alpha
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