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MARVEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-MCQs
- " cos x + cos " (120^(@) -x ) + " cos "(120^(@) +x)=0
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- tan(45^(@)+A)tan(45^(@)-A)=1
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- tan 75^(@)+ tan 15^(@)= A)1B)2C)3D)4
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- 1+tan theta * tan 2 theta= A)2 csc thetaB)sec 2 theta C)2 sec thetaD) ...
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- tan 2 theta * cot theta -1= A)2 csc thetaB)sec 2 theta C)2 sec theta D...
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- If : A+B = 90^(@),and tanA=3/4 "then" : cot B =
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- If : sin (theta + phi) = 2 sin (theta - phi), "then" : tan theta = A)t...
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- If sin(x-60^@)=2.cos(x-30^@), then : tanx=.....
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- If : a = tan x, b = tan y , c=sqrt(1+a^(2)),d= sqrt(1+b^(2)), "then" ...
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- cos^2((pi)/(4)-theta)+cos^2((pi)/(4)+theta)=.....
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- cot(pi/12) + cot((3pi)/12) + cos ((9pi)/12)+ cos ((11pi)/12)
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- cot,(pi)/(20).cot.(3pi)/(12)+cot.(7pi)/(20)cot.(9pi)/(20)=....
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- Statement I : sin^2pi/8+sin^2(3pi)/8+sin^2(5pi)/8+sin^2(7pi)/8=2 State...
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- If H is the orthocentre of fDelta ABC, then : sin(angle BHC)=
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- If H is the orthocentre of Delta ABC, then : cos(angle AHB)=
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- tan theta * (1+cos 2 theta)= A)2 sin thetaB)sin 2 thetaC)2 cos thetaD)...
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- (1+sec 2 theta)*sqrt(sec^(2) theta-1)= A)2 sec thetaB)sec 2 thetaC)2 t...
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- csc theta - 2 cos theta * cot 2 theta = A)2 sin thetaB)sin 2 thetaC)2 ...
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- If : (1+sin theta +cos theta)/(1+sin theta - cos theta)=f((theta)/(2))...
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- (1-tan^(2)(45^(@)-A))/(1+tan^(2)(45^(@)-A)) is equal to
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