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In DeltaABC, m angleA = 90 , m angle B =...

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

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angleACD is an exterior angle of DeltaABC . If angleACD=110^(@) and angleA=60^(@) , then angleB= ..........,

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In DeltaABC if m angle C = 90^@ than tanA + tanB = ......(where a,b,c are sides opposite to angles A, B, C respectively).

In a DeltaABC, angleC=3angleB=2(angleA+angleB) . Find the three angles.

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If in DeltaABC, angle A=90^(@) and c, sin B cos B are rational numbers, then show a and b are rational .

A(1,7), B(2,4) and C(k,5) are the vertices of a right triangle . Find k (1) if angle A = 90^(@) (2) if angle B = 90^(@) and (3) if angle C = 90^(@)

In DeltaABC,angleA=70^(@) and angleB=60^(@) . Then the measure of an exterior angle of DeltaABC can be ............

In DeltaABC,angleA=(angleB+angleC)/(3) and angleB:angleC=2:1 . Find the measure of each angle of DeltaABC and state the type of DeltaABC .

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KUMAR PRAKASHAN-OBJECTIVE SECTION AS PER NEW PAPER SCHEME -Trigonometric Functions (Fill in the blanks)
  1. cos(pi/3)cos(pi/4) + sin(pi/3) sin(pi/4) .................

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  2. cos((65pi)/4)=.........

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  3. If cot x = - sqrt(5) and x in second quadrant then sin x = ..........

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  4. 2sin((5pi)/12) sin(pi/12)=.........

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  5. The value of (1-tan^(2)(15^(@)))/(1+tan^(2)(15^(@))) is ………..

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  6. If A +B + C = pi then secA (cos B cos C - sin B sin C) = .........

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  7. 3sin(pi/9) - 4sin^(3)(pi/9) = .......

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  8. One root of the equation 6x - 8x^3=sqrt3 is .........

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  9. (sin(3alpha))/(1+2cos(2alpha))= ..........

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  10. cos(47^@) cos (13^@) - sin (47^@) sin(13^@)= .........

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  11. sin((7pi)/(12))cos(pi/4)-cos((7pi)/(12))sin(pi/4)=...........

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  12. Sum of the measure of an angle of cyclic quadrilateral ABCD is ..........

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

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  14. For DeltaABC , sinA + sinB + sinC

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

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  16. In DeltaABC if m angle C = 90^@ than tanA + tanB = .......

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

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

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

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

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