Ace school

with brainly

  • Get help from millions of students
  • Learn from experts with step-by-step explanations
  • Level-up by helping others

A community for students.

Evaluate: tan105deg using the sum and difference formulas. I

Mathematics
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

Join Brainly to access

this expert answer

SEE EXPERT ANSWER

To see the expert answer you'll need to create a free account at Brainly

tan(a+b)=(tan a +tan b)/(1-tan a tan b)....put a =60 and b =45 and solve
where u got 60 and 45?
tan(60+45)=tan105...right

Not the answer you are looking for?

Search for more explanations.

Ask your own question

Other answers:

can u do it nw
tan 60 =\[\sqrt{3}\] and tan 45 =1
i am getting stuck at the part where it is: |dw:1347964171044:dw|
so \[\tan105= (1+\sqrt{3})/(1-\sqrt{3}) \]
|dw:1347964267571:dw|
can u solve this now
wait. why did you square that?
|dw:1347965085424:dw|
arent you suppposed to mutliply it by the bottom one?
no it is rationalization u multiply num and den both by a coomon value so that the expression remains unaffected
so it is always the numerator?
no depends on what simplifies the root if 1-root 3 was there in numerator and 1+root 3 in den the you would multiply num and den by 1-root 3...since (1+root 3)(1-root3)=1-3...using a^2-b^2
how would you know which one to multiply by tho?
multiply with a value that would make denominator a rational one

Not the answer you are looking for?

Search for more explanations.

Ask your own question