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For DeltaABC , sinA + sinB + sinC...

For `DeltaABC` , sinA + sinB + sinC

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In DeltaABC , if cosA=(sinB)/(2sinC) then show that DeltaABC is an isoscles triangle.

Using vector, Prove that for DeltaABC , (a)/(sinA)=(b)/(sinB)=( c )/(sin C) .

For DeltaABC , prove that, asin(B-C)+bsin(C-A)+csin(A-B)=0 .

In a DeltaABC,3 sin A+4 cos B=6 and 3 cos A+4 sinB=1 , then angleC can be

In equilateral DeltaABC, D is a point on BC such that BD= (1)/(3)BC . Prove that 9AD^(2)= 7AB^(2) .

In DeltaABC,(sinA)/(sinC)=(sin(A-B))/(sin(B-C)) then prove that a^(2),b^(2),c^(2) are in A.P.

If in DeltaABC a = 9 , b = 7 and sinA = 3/4 then DeltaABC is right angle .

DeltaABC ~ DeltaPQR . If AB= 6.5 cm, PQ= 10.4 cm and the perimeter of DeltaABC is 60 cm, then find the perimeter of DeltaPQR .

In DeltaABC, m angleA = 90 , m angle B = 30 and a = 10^@ then b = .........

KUMAR PRAKASHAN-OBJECTIVE SECTION AS PER NEW PAPER SCHEME -Trigonometric Functions (Fill in the blanks)
  1. Sum of the measure of an angle of cyclic quadrilateral ABCD is ..........

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  2. Solution set of the equation 3 tan^(2) theta + 4 tan theta + 2 =0 is ....

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  3. For DeltaABC , sinA + sinB + sinC

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  4. In DeltaABC, m angleA = 90 , m angle B = 30 and a = 10^@ then b = .......

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  5. In DeltaABC if m angle C = 90^@ than tanA + tanB = ......(where a,b,c ...

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  6. Solution of the equation 2cos x + 1 = 0 is ...........

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  7. Height of the tower and multy storied building is same of 30 mets . Th...

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  8. .......is the angle of elevation of sun if height of building and its ...

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  9. At .........height one can reach by walking x mets with slope 30^@ and...

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  10. Radian value of 47^@ 30' is ......

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  11. 2 Radian = .......... Degree.

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  12. Arc at the circle with length 37.4 cm subtends and angle of 60^@ at ce...

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  13. Angle made by the the arc of length 55 cm at center is ......if length...

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  14. ........is the length of the arc of the circle with radius 28 cm and a...

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  15. Arc of length 15pi subtends an angle (3pi)/4 at centre then radius r =...

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  16. Measure of an angle of the regular polygon having ten sides is ..........

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  17. Length of the arc of circle with radius 5 cm and angle at centre is 15...

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  18. ...........is the measure of an angle in radian through which the pend...

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  19. Graph of sin(x) function repeats its value in ......... Interval lengt...

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  20. 2sin^(2)((pi),(4))+2cos^2((pi),(4))+sec^2((pi),(3)) has value ...........

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