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If triangleABC is right angled at A, the...

If `triangleABC` is right angled at A, then: `tanBtanC`=

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MARVEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-MASTERING THE BEST - ALL TOPICS
  1. If B=60^(@), in triangleABC, then

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  2. In a DeltaABC, If A=30^@,b=2,c=sqrt3+1, then (C-B)/2 is

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  3. If triangleABC is right angled at A, then: tanBtanC=

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  4. If (sin theta) and (cos theta) are the roots of the equation ax^(2)+bx...

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  5. If triangleABC is a right angled at C, then tanA + tan B equals

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  6. If: cos( A/2) = sqrt((b+c)/(2c)), then c^(2)=

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  7. If the area of triangleABC is triangle =a^(2) -(b-c)^(2), then: tanA =

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  8. If the cotangents of half the angles of a triangle are in A.P., then ...

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  9. In DeltaABC, " if " b^(2) + c^(2) = 2a^(2), then value of (cotA)/(cot ...

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  10. In triangle ABC if a^(4) + b^(4) + c^(4) = 2a^(2)b^(2) + 2b^(2)c^(2) t...

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  11. If, in triangleABC, angleB=angleC=45^(@), then

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  12. If, in triangleABC, tanA : tan B : tan C= 2:3:4, then: sec^(2)C=

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  13. If, in triangleABC, tanC=4, then: sec^(2)C=

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  14. If, in triangleABC, B=3C, then: (b-c)/(2c)=

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  15. In a triangleABC, 2ac.sin((A-B+C)/2)=

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  16. In a DeltaABC, if A=45^(@) and B=75^(@), then a+sqrt(2)c=

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  17. If, in a triangleABC, (a+b+c)(b+c-a)=kbc, then k lies in the interval

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  18. If, in a triangleABC, A=60^(@), then: (1+a/c + b/c)(1+c/b - a/b)=

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  19. If, in a /\ ABC, (2 cos A)/a + (cos B)/(b) + (2 cos C)/(c) = a/(bc) ...

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  20. If, in a trianglePQR, sin P, sin Q, sin R are in the A.P, then its alt...

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