Answer:
Question 1 Answer : x^2 - 2y^2
Question 2 Answer: x^2
- 36
Answer
it is 5 : )
Step-by-step explanation:
16-12+12x17= 208 u should use a calcuator
Imagine a right triangle where a and b are the legs and c is the hypothenuse.
Pitagora: a²+b²=c²
Divide by c
(a/c)²+(b/c)²=1
But a/c=sin(B) and b/c=cos(B)
Thus sin² + cos² = 1
Answer: x = 23/6
Step-by-step explanation: