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If sin (A + B + C) = 1, tan (A - B) = 1/...

If `sin (A + B + C) = 1, tan (A - B) = 1//sqrt(3)` and `"sec" (A + C) = 2`, then

A

`A=120^(@), B=60^(@), C=0^(@)`

B

`A=60, B=30^(@), C=0^(@)`

C

`A=90^(@), B=60^(@), C=30^(@)`

D

`A=120^(@), B=0^(@), C=60^(@)`

Text Solution

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The correct Answer is:
B
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