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If `a^2+b^2+c^2=1` then show that value of the determinant `|a^2+(b^2+c^2)costhetab a(1-costheta)c a(1-costheta)a b(1-costheta)b^2+(c^2+a^2)costhetac b(1-costheta)a c(1-costheta)b c(1-costheta)c^2+(a^2+b^2)costheta|` simplifies to `cos^2theta`

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If a^(2)+b^(2)+c^(2)=1 then |(a^(2)+(b^(2)+c^(2))costheta, ab(1-cos theta),ac(1-cos theta)),(ba(1-cos theta),b^(2)+(c^(2)+a^(2))cos theta,bc(1-cos theta)),(ca(1-cos theta),cb(1-cos theta),c^(2)+(a^(2)+b^(2))costheta)| equals

(1-costheta)/(1+costheta)=((1-costheta)/(sintheta))^2=(cosectheta-cottheta)^2

Prove that : (1-costheta)(1+costheta)(1+cot^(2)theta)=1

(sin^(2)theta)/(costheta(1+costheta))+(1+costheta)/(costheta)=?

Prove that- (1+costheta)/(1-costheta)= (cosectheta+cottheta)^2

Prove that- (1-costheta)/(1+costheta)=(cosectheta-cottheta)^2

costheta/(cosec theta+1)+costheta/(cosectheta-1)=2

(sintheta)/(1+costheta) + (1+costheta)/(sintheta) = 2 cosec theta

Prove that : (1-costheta)/(1+costheta)=(cottheta-cosectheta)^(2)

Prove that- (1-costheta)/(1+costheta)=(1/(cosectheta+cottheta))^2

MOTION-DETERMINANTS -EXERCISE-3
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  2. If a + b + c = 0 one root of |(a -x,c,b),(b,b -x,a),(b,a,c -x)|= 0, is

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  3. If a^2+b^2+c^2=1 then show that value of the determinant |a^2+(b^2+c^2...

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  5. Show that | [a^2 +lambda, ab, ac], [ab, b^2+lambda, bc], [ac, bc, c^2+...

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  6. Prove that :|[a^2,b^2,c^2], [(a+1)^2, (b+1)^2, (c+1)^2], [(a-1)^2, (b-...

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  7. In triangle A B C , if |1 1 1cotA/2cotB/2cotC/2tanB/2+tanC/2tanB/2+tan...

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  8. Prove that |{:(2,alpha+beta+gamma+delta,alphabeta +gammadelta),(alph...

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  9. Solve for x the equation |(a^(2),a,1),(sin(n+1)x,sin nx,sin(n-1)x),(...

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  10. Solve the following sets of equations using Cramer's rule and remark a...

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  11. Solve the following sets of equation using Cramers rule and remark a...

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  12. Solve the following sets of equation using Cramers rule and remark a...

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  13. For what value of K do the following system of equations poss...

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  14. Investigate for what values of lambda, mu the simultaneous equa...

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  15. Investigate for what values of lambda, mu the simultaneous equa...

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  16. . For what values of lambda and mu the system of equations x+y+z=6, x+...

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  17. If the system of equations x – ky – z = 0, kx – y – z=0, x + y – z = 0...

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  18. Find the real values of r for which the following system of linear equ...

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  19. If Sr = alpha^r + beta^r + gamma^r then show that |[S0,S1,S2],[S1,S2,S...

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  20. Ifthe equations a(y +z) =x , b(z+x) = y , c (x + y) = z have nontriv...

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