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HIMALAYA PUBLICATION-MEASUREMENT OF ANGLES, TRIGONOMETRIC RATIOS AND RELATION BETWEEN SIDES AND ANGLES OF A TRIANGLE-QUESTION BANK
- The number of values of x in the interval [0, 3pi] satisfying the equa...
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- In a triangle ABC, if (cos A)/(a) = (cos B)/(b)= (cos C)/(c ) and a=2 ...
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- 3(sinx-cosx)^(4)+6(sinx+cosx)^(2)+4(sin^(6)x+cos^(6)x)=
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- The number of values of x in the interval [0,5pi] satisfying the equat...
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- In a triangle PQR, /R = pi//2, If tan(P//2). and tan(Q//2) are the roo...
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- The maximum value of : (cosalpha(1)).(cosalpha(2))....(cosalpha(n)) un...
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- A man from the top of a 100 metres high lower sees a car towards the t...
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- If 0ltthetalt2pi, then the intervals of values of theta for which 2sin...
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- Given A=sin ^(2) theta+cos ^(4) theta then for all real theta
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- (3 cos theta+cos 3 theta)/(3 sin theta-sin 3 theta)=
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- If x=sqrt((1-cos theta)/(1+cos theta)), then (2 x)/(1-x^(2))=
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- cos alpha sin (beta-gamma)+cos beta sin (gamma-alpha) +cos gamma(sin a...
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- cos 12^(circ)+cos 84^(circ)+cos 156^(circ)+cos 132^(circ)=
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- In a DeltaABC, tan.(A)/(2)=(5)/(6), tan.(C)/(2)=(2)/(5), then
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- If the angles of depression of the upper and lower ends of a lamp post...
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- A tower, x metres, has a flagstaff at its top. The tower and the flags...
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- cos 12^(circ)+cos 84^(circ)+cos 156^(circ)+cos 132^(circ)=
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- The value of : sin""(pi/7).sin""((3pi)/14).sin""((5pi)/14).sin""((7pi)...
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- Let f(theta) =sin theta(sin theta + sin3theta) then f(theta) :
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- In a triangle ABC, 2casin.(A-B+C)/(2)=
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