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If a cos A=b cos B , then the triangle ,...

If a cos A=b cos B , then the triangle ,is

A

equliteral

B

right angled

C

isosceles

D

isosceles or right angled

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The correct Answer is:
D
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OBJECTIVE RD SHARMA-PROPERTIES OF TRIANGLES AND CIRCLES CONNECTED WITH THEM-Exercise
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  11. If in a DeltaABC ,a sin A=b sin B, then the triangle, is

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  13. In any !ABC b^(2)sin2C+c^(2)sin2B=

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  14. If in a triangle ABC, (cosA)/a=(cosB)/b=(cosC)/c,then the triangle is

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

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  17. In a triangle the lengths of the two larger are 10 and 9 respectively....

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  18. There can exist a triangle ABC satisfying the conditions :

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