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MARVEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-MCQs
- 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)=
Text Solution
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- tan theta * (1+cos 2 theta)= A)2 sin thetaB)sin 2 thetaC)2 cos thetaD)...
00:47
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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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- (sin 3 theta)/(sin theta)-(cos 3 theta)/(cos theta)= A) sin 2 thetaB) ...
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- (sin 2 theta)/(sin theta)-(cos 2 theta)/(cos theta)= A)sec theta B)ta...
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- sin 2 theta * (tan theta + cot theta)= A)sec thetaB)csc thetaC)1D)2
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- If sqrt((1-sinx)/(1+sinx))= f(pi/4-x/2) then f=
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- cot ((A)/(2))-tan((A)/(2))= A)2 sin AB)2 cos AC)2 tan AD)2 cot A
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- 8 sin theta * cos theta * cos 2 theta * cos 4 theta = A)sin 4 thetaB)...
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- 4 sin theta * cos^(3) theta-4 cos theta * sin ^(3)theta= A)4 cos theta...
01:00
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- 1-8 cos ^(2) theta + 8 cos ^(4) theta=
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- If cos 3 A + cos 5 A + cos 7 A + cos 15 A = 4 cos mA * cos n A * cos ...
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- If : sin 40^(@)-cos 70^(@)= k * cos 80^(@), "then" : k = A)sqrt1B)sqr...
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- sin 50 ^(@) - sin 70^(@) + sin 10^(@) A)-1B)0C)sin 5^(@)D)-sin 5^(@)
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- cos 20^(@) + cos 100^(@) + cos 140^(@)= A)cos 130^(@)B)cos 45 ^(@)C)0...
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- cos 55^(@) + cos 65^(@) + cos 175^(@)= A)0B)1C)sin 18^(@)D)cos 36 ^(@)
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