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Two ships leave port at the same time. O...

Two ships leave port at the same time. One goes 24 km per hour in the direction `N\ 45^0E` and other travels 32 km per hour in the direction `S 75^0Edot` Find the distance between the ships at the end of 3 hours.

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RD SHARMA ENGLISH-SINE AND COSINE FORMULAE AND THEIR APPLICATIONS-All Questions
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  2. In any DeltaA B C prove that acosA+bcosB+c cosC=(8Delta^2)/(a b c)dot

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  3. Two ships leave port at the same time. One goes 24 km per hour in the ...

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  4. A lamp post is situated at the middle point M of the side AC of a t...

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  5. Two trees, A and B are on the same side of a river. From a point C in ...

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  6. In a A B C , prove the following : In a DeltaA B C ,\ if\ a=5, \ b=6...

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  7. In a DeltaA B C , prove the following :\ If\ a=sqrt(2),\ b=sqrt(3)\ a...

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  8. In a DeltaA B C , prove the following : The sides of a triangle area ...

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  9. In a Delta A B C ,If a=18 ,\ b=24 ,\ c=30 , find the value of cos A ,...

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  10. In a DeltaA B C , prove the following : c\ (acosB-bcosA)=a^2-b^2dot

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  11. In a DeltaA B C , prove the following : (c^2-a^2+b^2)tanA=(a^2-b^2+c^...

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  12. In a Delta A B C , prove the following : (c-b\ cos A)/(b-c\ cos A)=(c...

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  13. In a Delta A B C , prove the following : \ a(cos B+cos C-1)+b(cos C+c...

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  14. In a DeltaA B C , prove the following : a\ cos A+b\ cos B+c cos C=2bs...

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  15. In a Delta A B C , prove the following : a^2=(b+c)^2-4bc cos^2(A/2)dot

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  16. In a DeltaA B C , prove the following : 4\ (b c cos^2(A/2)+c acos^2(B...

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  17. In a DeltaA B C ,\ prove that , sin^3Acos(B-C)+sin^3B cos(C-A)+sin^...

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  18. In any DeltaA B C ,(b+c)/(12)=(c+a)/(13)=(a+b)/(15),\ then prove tha...

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  19. If in a Delta A B C ,cos^2A+cos^2B+cos^2C=1, prove that the triangle ...

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  20. Two ships leave a port at the same time. One goes 24 km/hr in the d...

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