My common denominator is a 08 cause as I look at the fraction I have a1/2 also falod 1/4 which I had to take of the one to make a 0to subtract to the 2 to give it a 12 to be able to take from the four we have and that is how I came up with a common denominator of 08
Hello from MrBillDoesMath!
Answer: (sin(@)) ^2 + (cos(@)) ^2 = 1 for all angles @.
Discussion
;
Take a point, say in the first quadrant. on a unit circle (circle with radius 1) Let that point by (x,y). The from the Pythagorean theorem.
x^2 + y^2 = r^2 or as r = 1
x^2 + y ^2 = 1 ("Equation 1")
If you drop a line from (x,y) perpendicular to the x axis you find that
y = r [email protected] or y = [email protected] as r =1.
and
x = r [email protected] or x = [email protected] as r = 1
(Look at the triangle formed by the radius, the perpendicular line and the positive x axis). Substitute these x and y values in Equation 1 above. This gives
([email protected])^2 + ([email protected])^2 =1
which is true for all angles. This is a key "pattern" or identity that you should commit to long term memory!
Regards, MrB
Answer:
Question?
Step-by-step explanation:
I can't see it am sorry
Answer:
Step-by-step explanation:STEP 1: Stick a "y" in for the "f(x)" guy:
STEP 2: Switch the x and y. ( because every (x, y) has a (y, x) partner! ):
STEP 3: Solve for y:
STEP 4: Stick in the inverse notation, continue. 1 2 3.