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RD SHARMA ENGLISH-TRIGONOMETRIC RATIOS OF COMPOUND ANGLES-All Questions
- Reduce the expression to the sine or cosine of a single expression:...
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- Reduce the expression to the sine and cosine of a single expression:...
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- Reduce each of the following expressions to the sine and cosine of a ...
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- . Show that sin100^@- sin 10^@ is positive
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- If alpha+beta-gamma=pi and sin^2alpha+sin^2beta-sin^2gamma=lambda sina...
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- If x\ costheta=y cos(theta+(2pi)/3)=z cos(theta+(4pi)/3) , then write ...
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- Write the maximum and minimum values of 3cos x+4sin x+5.
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- Write the maximum value of 12sinθ.
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- If 12 sintheta-9sin^2theta attains its maximum value at theta=alpha , ...
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- Write the interval in which the values of 5costheta+3cos(theta+pi/3)+3...
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- If tan(A+B)=p\ a n dtan(A-B)=q then write the value of tan2Bdot
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- If ("cos"(x-y))/("cos"(x+y))=m/n , then write the value of t a n x\ t ...
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- If a=b cos((2pi)/3)= c cos((4pi)/3), then write the value of a b+b c+c...
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- If A+B=C , then write the value of t a n A\ t a n B\ t a n Cdot
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- If sinalpha-sinbeta=a and cosalpha+cosbeta=b then write the value of "...
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- The value of sin^2 75^0-sin^2 15^0 is a. 1//2 b. sqrt(3)//2 c. 1 d. 0
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- If A+B+C=180^0,\ then s e c A(cos B cos C-sin B sin C) is equal to:
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- tan20^@+tan40^@+sqrt3 tan20^@ tan40^@= (a).sqrt3/4 (b).sqrt3/2 (c).s...
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- If tanA=a/(a+1) and tanB=1/(2a+1) then the value of A+B is: (a).0...
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- If 3sintheta+4costheta =5 then find the value of: 4sintheta-3costheta
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