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OSWAL PUBLICATION-DIKSHA QUESTIONS -UNIT -V: Trigonometry (Introduction to Trigonometry ) (VERY SHORT ANSWER TYPE QUESTIONS )
- If ("cosec" theta +cot theta)=x find "cosec" theta - cot theta.
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- If (1+cos A) (1-cos A) = 3/4 , find the value of sec A.
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- If sin(A-B)=(1)/(2) and cos(A+B)=(1)/(2), 0^(@) lt (A+B) lt 90^(@) and...
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- If sqrt(3) sin x - cos x = 0 and 0 lt x lt 90 , find the value of x .
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- If sin x = a and sec x = b , find the value of cot x .
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- If 2 cos theta = 1 , find the value of 2 theta
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- Find the value of cot^(2)A - "cosec"^(2)A.
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- What is the maximum value 1/("cosec "A) can take ?
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- Given tanalpha=5/(12)\ , find other trigonometric ratios
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- Write the values of sec 0^(@) ,sec 30^(@) , sec 45^(@) , sec 60^(@) an...
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- If costheta-sintheta=sqrt(2)sintheta, then prove that: costheta+sint...
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- If 5x=sectheta and 5/x=tantheta , find the value of 5(x^2-1/(x^2)) ...
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- If sin x = 1/3 then find the value of (2 cot^(2)x+2) .
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- Evaluate : 5 cos^(2) 30 + 4 sec^(2) 30 - tan^(2) 45 .
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- Evaluate : 2 tan^(2) 60^(@) +cos^(2) 30^(@) +sin^(2)60 .
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