The answer is 2(3tan(x)-tan^3(x))/(1-3tan^2(x)) but it is a very long and tedious calculation using alot of trig identities.
45 × 13 = 585
Which is exactly how much he'd need to pay back his sister and buy the bike. So, it would take him 13 weeks.
Answer: 39
Step-by-step explanation:
= 1 + (20-1)2
= 1 + (19)2
= 1 + 38
= 39
Answer:
Solutions: ,
Step-by-step explanation:
Given the quadratic equation, 2x² + 3x + 6 = 0, where a =2, b = 3, and c = 6:
Use the <u>quadratic equation</u> and substitute the values for a, b, and c to solve for the solutions:
,
Therefore, the solutions to the given quadratic equation are:
,
Answer:
A
Step-by-step explanation: