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HIMALAYA PUBLICATION-MEASUREMENT OF ANGLES, TRIGONOMETRIC RATIOS AND RELATION BETWEEN SIDES AND ANGLES OF A TRIANGLE-QUESTION BANK
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- If sin 2 theta+sin 2 phi=(1)/(2) and cos 2 theta+cos 2 phi=(3)/(2) the...
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- x=sec theta-tan theta, y=cosec theta+cot theta, then
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- If cos theta + sin theta = sqrt(2) cos theta, show that cos theta - si...
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- If sin theta+cosec theta=2 then sin ^(2) theta+cosec^(2) theta=
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- If cosec A+cot A=(11)/(2), then tan A is
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- If cosec theta-cot theta=(1)/(2), 0 lt theta lt(pi)/(2) then cos theta...
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- If sin x+sin y=3(cos y-cos x) then the value of sin 3 x+sin 3 y=
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- If sec theta+tan theta=1.5 then tan theta=
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- If tan theta=(p)/(q) then (p sin theta-q cos theta)/(p sin theta+q cos...
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- If tan theta=(b)/(a) then a cos 2 theta+b sin 2 theta=
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- If a cos theta-b sin theta=c then a sin theta+b cos theta=
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- sin alpha=(12)/(13) (0 lt alpha lt (pi)/(2)r) cos beta=-(3)/(5)(pi lt ...
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- If A+B=225^(circ) then (cot A)/(1+cot A) . (cot B)/(1+cot B)=
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- If sin theta+sin ^(2) theta+sin ^(3) theta=1 then cos ^(6) theta-4 cos...
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- (cos 9^(circ)+sin 9^(0))/(cos 9^(circ)-sin 9^(circ))=
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