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In sin(A+B)=sqrt(3)/2 and cos(A-B)=1, 0 ...

In `sin(A+B)=sqrt(3)/2` and `cos(A-B)=1, 0 lt A + B lt 90^(@), A ge B`.

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The correct Answer is:
`A=30^(@), B=30^(@)`
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CPC CAMBRIDGE PUBLICATION-MODEL QUESTION PAPER 7 -QUESTIONS
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  2. If sin theta =1/3 , then find the value of (2cot^2 theta +2)

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  3. In sin(A+B)=sqrt(3)/2 and cos(A-B)=1, 0 lt A + B lt 90^(@), A ge B.

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  4. The surface area of a sphere is same as the C.S.A of a right circular ...

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  7. Solve : y^(2)-(sqrt(3)+1)y+sqrt(3)=0

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  8. Show that the points (3, 2) (-2, -3) and (2, 3) are collinear or non-c...

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  10. A card is drawn at random from a box containing 21 cards numbered 1 to...

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  11. Draw a circle of radius 3cms. Construct a pair of tangents to it, from...

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  12. Express sinA and sec A in terms of cot A. OR If tan theta+sin thet...

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  17. Prove that the tangents drawn from an external point are equal.

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  18. If a chord of circle of radius 10cm subtend an angle of 60^(@) at the ...

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  19. Find the mean of the following frequency distribution. {:("Classes :...

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  20. Construct a triangle of sides 4 cm, 5 cm and 6 cm and then a triangle ...

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