If triangle ABC is right angled at C, then the value of sec (A+B) is(a) 0(b) 1(c) 2/√3(d) not defined

If triangle ABC is right angled at C, then the value of sec (A+B) is(a

1.	If triangle ABC is right angled at C, then the value of sec (A+B) is(a) 0(b) 1(c) 2/√3(d) not defined
Answer» (d) not defined

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If triangle ABC is right angled at C, then the value of sec (A+B) is(a) 0(b) 1(c) 2/√3(d) not defined

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