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If the angles A, B, C of a triangle are ...

If the angles `A, B, C` of a triangle are in `A . P` and sides `a, b, c` are in G.P, then `a^(2), b^(2), c^(2)` are in

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HIMALAYA PUBLICATION-MEASUREMENT OF ANGLES, TRIGONOMETRIC RATIOS AND RELATION BETWEEN SIDES AND ANGLES OF A TRIANGLE-QUESTION BANK
  1. If in a triangle ABC, acos^(2).(C)/(2)+c cos^(2).(A)/(2)=(3b)/(2), the...

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  2. In a triangle A B C, if cot A, cot B, cot C are in A.P, then a^(2), b^...

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  3. If the angles A, B, C of a triangle are in A . P and sides a, b, c are...

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  4. In a triangle A B C, hat(A)=(pi)/(2) then cos ^(2) B+cos ^(2) C=

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  5. In a triangle ABC, a=4, b=3, /A=60^(@), then c is the root of the equa...

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  6. In a DeltaABC, if a+b=3c, then the value of cot.(A)/(2)cot.(B)/(2) is

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  7. If a cosA=b cos B then prove that Delta ABC is either isosceles or rig...

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  8. In a triangle A B C, a=2 x, b=2 y and hat(C)=120^(circ) then the area ...

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  9. If tan (B-C)/(2)=x cot (A)/(2) then x=

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  10. If in two cirlces arcs of the same length subtend angles 60^(@) and 75...

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  11. The minimum value of 3 tan ^(2) theta+12 cot ^(2) theta is

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  12. Maximum value of sin ^(8) x+cos ^(16) x is

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  13. The minimum value of sin theta . cos theta is

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  14. If cos x+cos y+cos alpha=0 and sin x+sin y+sin alpha=0, then cot ((x+y...

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

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  16. If tan theta+sec theta=sqrt(3), 0 lt theta lt pi, then theta is equal ...

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  17. If tan 25^(circ)=x, then (tan 155^(circ)-tan 115^(circ))/(1+tan 155^(c...

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  18. If x + y + z = pi,tanx tany = 2tanx + tany + tanz = 6, thenz equals :

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  19. If 1+cos alpha+cos ^(2) alpha+….=2-sqrt(2), thenalpha(0 lt alpha lt pi...

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  20. The value of the determinant : |(sin^(2)13^(@)""sin^(2)77^(@)""tan135^...

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