Finding cot &#x2061;<!-- ⁡ --> ( &#x03C0;<!-- π --> 12 </mfrac> ) Given:

uplakanimkk 2022-07-03 Answered
Finding cot ( π 12 )
Given:
cot ( θ ϕ ) = cot θ cot ϕ + 1 cot θ cot ϕ
And:
cot π 3 = 1 3 ; cot π 4 = 1
1 3 ( 1 ) + 1 1 3 1
1 + 3 1 3
You can still ask an expert for help

Want to know more about Trigonometry?

Expert Community at Your Service

  • Live experts 24/7
  • Questions are typically answered in as fast as 30 minutes
  • Personalized clear answers
Learn more

Solve your problem for the price of one coffee

  • Available 24/7
  • Math expert for every subject
  • Pay only if we can solve it
Ask Question

Answers (2)

Leslie Rollins
Answered 2022-07-04 Author has 25 answers
Your error is your formula. It is:
cot ( θ ϕ ) = cot ( θ ) cot ( ϕ ) + 1 cot ϕ cot θ
Notice the denominator order. You switched them, hence switching the sign.
Did you like this example?
Subscribe for all access
Ayaan Barr
Answered 2022-07-05 Author has 6 answers
cot π 12 = 1 + cos π 6 sin π 6 = 2 + 3
Did you like this example?
Subscribe for all access

Expert Community at Your Service

  • Live experts 24/7
  • Questions are typically answered in as fast as 30 minutes
  • Personalized clear answers
Learn more

New questions