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If the roots of the equation c^(2)x^(2)-...

If the roots of the equation `c^(2)x^(2)- c(a+b)x + ab =0` are sin A, sin B where A, B and C are the angles and a, b, c are the opposite sides of a triangle, then the triangle is :
(i) right angled
(ii) acute angled
(iii) obtuse angled
(iv) `sin A + cos A = (a+b)/(c )`

A

is obtus angled

B

is acute angled

C

is right angled

D

satisfies `c ( sin A + cosA) =a +b`

Text Solution

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The correct Answer is:
A, B, C, D
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