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VK JAISWAL-COMPOUND ANGLES-Exercise-5 : Subjective Type Problems
- If alpha=pi/7 then find the value of (1/cosalpha+(2cosalpha)/(cos2alph...
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- Given the for a,b,c,d in R, if a sec(200^@)- ctan(200^@)=d and b sec(...
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- The expression 2"cos"(pi)/(17)*"cos"(9pi)/(17)+"cos"(7pi)/(17)+"cos"(9...
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- If the expression (sin theta sin2theta+sin3theta sin60theta+sin4theta...
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- Let a=sin10^(@), b =sin50^(@), c=sin70^(@)," then " 8abc((a+b)/(c ))((...
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- If sin^(3)theta+sin^(3)(theta+(2pi)/(3))+sin^(3)(theta+(4pi)/(3))=a s...
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- If sum(r=1)^(n)((tan 2^(r-1))/(cos2^(r )))=tanp^(n)-tan q, then find t...
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- If x=sec theta-tan theta and y=cosectheta+cot theta,then Find y-x-xy...
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- If cos18^(@)-sin18^(@)=sqrt(x)sin27^(@), then x=
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- The value of 3(sin1-cos1)^(4)+6(sin1+cos1)^(2)+4(sin^(6)1+cos^(6)1) i...
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- Q. x=a satisfy the equation 3^(sin 2x+2 cos^2 x)+3^(1-sin 2x+2 sin^ 2x...
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- The minimum value of (sintheta+c o s e ctheta)^2+(costheta+sectheta)^...
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- If tan20^(@)+tan40^(@)+tan80^(@)-tan60^(@)=lambda sin40^(@), then lamb...
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- If K^(@) lies between 360^(@) and 540^(@) and K^(@) satisfies the equa...
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- If cos20^(@)+2sin^(2)55^(@)=1+sqrt(2)sinK^(@), K in (0, 90)," then "K=
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- If the value of cos((2pi)/7) + cos((4pi)/7)+cos((6pi)/7)+cos((7pi/7))=...
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- Let alpha be the smallest integral value of x, x>0 such that tan 19x=(...
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- Find the value of the expression (sin20^@(4cos20^@+1))/(cos20^@cos30^@...
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- If the value of cos((2pi)/7) + cos((4pi)/7)+cos((6pi)/7)+cos((7pi/7))=...
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- If cosA=(3)/(4) and k sin ((A)/(2))sin((5A)/(2))=(11)/(8). Find k.
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