Answer:
For each of the three basic trig functions, (sin, cos, tan) there are three more which act as their reciprocals. (csc, sec, and cot respectively)
Reciprocals, of course, are flipped fractions. If you have some number x, the reciprocal can be expressed as .
An important property of reciprocals is that if you mutliply them together they will cancel out--take for example.
Since secӨ is literally defined as the reciprocal of cosӨ, it is evident that
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Step-by-step explanation:
14.50 + 9.99 + 48 is 72.49 and the sales tax which is 8.2 when turned into a decimal is .082 so next you multiply 72.49 with 0.082 and your tax will be 5.94418 now you add 72.49 with 5.94418 and you will get 78.43418 now you need to round to the nearest cent which is gonna be 418 rounded into 43 but the 4 in the thousandths place is not the number 5 or bigger so you cant round up so it stays as 78.43 so A or 78.43 is your answer
Standard form of an equation can be represented by ax^2 + bx + c = y. where a b are coeficients and c is a constant value. for your equation to work we have to say:
a = -1
b = 4
c = -7
you have to be sure to put the negative value. if i said
a = 1
b = 4
c = 7
and i plugged these in i would get:
(1)x^2 + (4)x + (7)
which becomes
x^2 + 4x + 7
this is not right. if i used the first values i stated then:
(-1)x^2 + (4)x + (-7)
-x^2 + 4x - 7
this is correct
Answer:
It’s 20
Step-by-step explanation:
