Answer:
cosA + sinA
Step-by-step explanation:
Using trig. identities :
cos(A + B) = cosAcosB - sinAsinB
cos2A = cos²A - sin²A
cos2A = (cosA + sinA)(cosA - sinA)
Therefore, your question is :
=> cos2A/(cosA - sinA)
=> (cosA + sinA)(cosA - sinA)/(cosA - sinA)
=> cosA + sinA
Answer:
x = (-4/3)
y = (-5)
Step-by-step explanation:
there ya go, I think this was the answer you were looking for. :)
Answer:
Jack hit 10 home runs.
Explanation:
Jack hit 10 home runs, Henry hit 3 more than half.
Half of 10 is 5 add 3 to reach the sum of Henry’s home runs.
Answer:
k > 13 OR K < 4
Step-by-step explanation:
-1 plus 14 is 13
19 minus 15 is 4
Rational expression refers to a fraction in which the numerator and denominator are polynomials.
