9514 1404 393
Answer:
60/11
Step-by-step explanation:
The cotangent of an angle is the reciprocal of its tangent.
cot(θ) = 1/tan(θ) = 1/(11/60)
cot(θ) = 60/11
Answer:
25
Step-by-step explanation:
Answer:- A Conjectures ,B postulates and C axioms are accepted without proof in a logical system.
Explanation:-
- A conjecture is a proposition or conclusion based on incomplete information, for which there is no demanding proof.
- A axiom is a statement which is said to be universal truth.
- A postulate is a statement which is said to be true with out a logical proof.
- A theorem is a statement that has a logical proof by using previously confirmed statements .
X^2 - 1 = 0
x^2 -1^2 = 0
(x + 1) (x - 1) = 0
x + 1 = 0 or x - 1 = 0
x = -1 or x = 1
Ans: -1 and 1
