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

a) 0

b) 1

c) -1

d) none

By Ava

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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Ava

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Soham received 40 massage on his birthday of these 90%were birthday greetings how many other message did he get besides the greeti

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