emIl2anrosef4lemeili emIl2anrosef4lemeili

04-11-2016
Mathematics

Answered

Use an Addition or Subtraction Formula to find the exact value of the expression, as demonstrated in Example 1.

tan 75Á

Verified Answer :

syed514 syed514

08-11-2016

write tan 75 as tan (30+45)

And,
Use
tan (A+B) = tanA+tanB/1−tanAtanB

where A = 30, B=45
tan of 30 is 1/ root 3

tan of 45 is 1

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