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RD SHARMA ENGLISH-TRIGONOMETRIC FUNCTIONS-All Questions
- If 3sintheta+5costheta=5, then write the value of 5sin theta-3costheta...
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- If t a ntheta=x-1/(4x) , then s e ctheta-t a ntheta is equal to (a) -2...
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- If pi/2 < theta < (3pi)/2 then sqrt ((1-sin theta)/(1+sin theta))= a. ...
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- If pi lt theta lt 2pi then sqrt ((1+cos theta)/(1-cos theta))= a. co...
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- If sec theta= x+1/(4x) then sec theta+ tan theta= (a) x, 1/(x), (b) 2x...
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- If pi/2ltthetaltpi, then sqrt((1-sintheta)/(1+sintheta))+sqrt((1+sinth...
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- If tanθ+secθ=√3,0 <θ<π, then θ is equal to a. (5pi)/6 b. (2pi)/3 c. pi...
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- If t a ntheta=-1/(sqrt(5)) and theta lies in the IV quadrant, then the...
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- sin^6A+cos^6A+3sin^2A cos^2A=\ a. 0 b. 1 c. 2 d. 3
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- If cosec theta- cot theta=1/2, 0 < theta < pi/2 then cos theta= a.5/3,...
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- If theta is an acute angle and t a ntheta=1/(sqrt(7)) , then the value...
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- sin^(2)5^@+sin^(2)10^@+sin^(2)15^@ +.......+sin^(2)85^@ + sin^(2)90^@=
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- If t a n A+cot A=4, then tan^4A+cot^4A is equal to 110 b. 191 c. 80 d....
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- If xsin45^0cos^2 60^0=(tan^2 60^0cos e c\ 30^0)/(s e c 45^0cot^2 30^0)...
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- If cos e ctheta+cottheta=(11)/2 , then t a ntheta= (21)/(22) (b) (15...
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- If cosec theta- cot theta=1/2, 0 < theta < pi/2 then cos theta= a.5/3,...
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- If s e ctheta+t a ntheta=k ,\ costheta= a.(k^2+1)/(2k) b. (2k)/(k^2+1...
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- Which of the following is incorrect? a. sintheta=-1//5 b. costheta=1 c...
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- The value of cos1^@. cos2^@. cos 3^@....cos 179^@= a. 1/sqrt2, b.0, c....
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- The value of "tan"1^0tan2^0t a n3^0........t a n 89^0 is a. 0 b. 1 c. ...
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