Answer:
Step 1:
✔ Cofunction identity
Step 5:
✔ Sine difference identity
Step 6:
✔ Cofunction Identity
Step 7:
✔ Cosine function is even, sine function is odd.
Step-by-step explanation:
Perimeter = 5.35 * 4 = 21.4 cm
Answer:
, for 
Step-by-step explanation:
The general form of quintic-order polynomial is:

According to the statement of the problem, the polynomial has the following roots:

Then, some algebraic handling is done to expand the polynomial:


If
, then:

Answer:
1
Step-by-step explanation:
6x - 3 =3
6x =3 +3
6x =6
x=6 :6
x=1
X can be -1 or 1 for the square root to be 0
The correct option is a