2. ∆ABC is a right angled at A, the value of tan B × tan C is:

a) 0

b) 1

c) -1

d) none of the above

a) 0

b) 1

c) -1

d) none

2. ∆ABC is a right angled at A, the value of tan B × tan C is:

a) 0

b) 1

c) -1

d) none of the above

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Answer:A yaar tujhe itna bhi samaj nahi aata