prove that tan -1 (x-1) + tan -1 x+tan -1 (x+1) =tan -1 3x
brunoconti:
something is wrong. check it again
sry in that question we hv not to prove we hv to find value of x .... and i hv done it thnx.. for help
ok
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Answer:
Actually, the answer is -3x - 2
Step-by-step explanation:
The whole function has tan, hence we can factorise the function so it can be;
tan[-(x - 1) + (-x) + (x + 1)]
tan[-x - 1 - x - x - 1]
tan -3x - 2
HOPE THAT WAS HELPFUL
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