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HIMALAYA PUBLICATION-MEASUREMENT OF ANGLES, TRIGONOMETRIC RATIOS AND RELATION BETWEEN SIDES AND ANGLES OF A TRIANGLE-QUESTION BANK
- If f(x)=cos ^(2) x+sec ^(2) x, then
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- If tan theta=(1)/(2) and tan varphi=(1)/(3) then the value of theta+va...
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- Which of the following is not correct?
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- The value of tan 1^(circ) . tan 2^(circ) . tan 3^(circ) …..tan 89^(cir...
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- The value of (1-tan ^(2) 15^(circ))/(1+tan ^(2) 15^(circ)) is
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- If tan thata = 3 and theta lies in third quadrant, then the value of s...
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- The value of tan 75^(circ)-cot 75^(circ) is equal to
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- Sin (45^(@)+theta)-cos(45^(@)-theta) is equal to :
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- cos 12^(circ)+cos 84^(circ)+cos 156^(circ)+cos 132^(circ)=
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- If tan A=(1)/(2), tan B=(1)/(3) then tan (2 A+B) is equal to
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- The value of sin (pi)/(10) sin (13 pi)/(10) is
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- The value of sin 50^(circ)-sin 70^(circ)+sin 10^(circ) is equal to
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- If sin theta+cos theta=1 then the value of sin 2 theta is equal to
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- If alpha+dot(beta)=(pi)/(4), then the value of (1+tan alpha)(1+tan bet...
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- If sin theta=-(4)/(5) and theta lies in 3 quadrant then the value of c...
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- The value of sin (pi/18)+sin ((pi)/(9))+sin 2(pi/9)+sin 5(pi/18) is gi...
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- If A lies in the second quadrant and 3 tan A+4=0 then the value of 2 c...
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- The value of cos ^(2) 48^(circ)-sin ^(2) 12^(circ) is
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- If tan alpha=(1)/(7), tan beta=(1)/(3), then cos 2 alpha is equal to
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- If tan theta=(a)/(b), then b cos 2 theta+a sin 2 theta is equal to
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