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Solve 6sin^2theta-11sin theta+4=0...

Solve `6sin^2theta-11sin theta+4=0`

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MOTION-TRIGNOMETRIC RATIOS & IDENTITIES -Exercise 1
  1. Q. Prove that from the equality sin^4 alpha/a+cos^4 alpha/b=1/(a+b) fo...

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  2. The expression (tan(x-(pi)/(2)).cos((3pi)/(2)+x)-sin^(3)((7pi)/(2)-x...

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  3. Solve 6sin^2theta-11sin theta+4=0

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  4. The value of sin(pi+theta)sin(pi-theta)cosec^(2)theta is equal to

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  5. The value of tan1^@ tan 2^@ tan 3^@ ... tan 89^@ is

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  6. The value of cos 1^@ cos 2^@ cos 3^@... cos 179^@ is

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  7. If sin alpha sin beta - cos alpha cos beta + 1=0, then the value of 1+...

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  8. The value of cotx+cot(60^@+x)+cot(120^@+x) is equal to

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  9. If tan A - tan B =x and cot B - cot A=y, then: cot(A-B)=

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  10. If tan 25^@ = x, then (tan155^@ - tan115^@)/(1+tan 155^@ tan115^@) is ...

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  11. Let alpha, beta be such that pi lt alpha lt beta lt 3pi, if sin alpha...

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  12. The value of tan 3A -tan 2A -tan A is equal to (A) tan 3A tan 2A tan A...

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  13. If alpha+beta+gamma=2pi , then

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  14. In a triangle ABC if tan A lt 0 then

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  15. If A+B=225^(@) then the value of (cotA)/(1+cotA).(cotB)/(1+cotB) is

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  16. The value of (sin 24^@ cos 6^@-sin 6^@sin 66^@)/(sin 21^@ cos 39^@-cos...

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  17. The valud of sin 12^(@) sin 48^(@) sin 54^(@) is equal to-

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  18. If A + B + C = (3pi)/2, then cos 2A + cos 2B + cos 2C is equal to (A) ...

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  19. The expression (cos 6x+6cos 4x+15 cos 2x+10)/(cos 5x+5 cos 3x+10 co...

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  20. The value of cos10^(@)-sin 10^(@) is

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