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# Mao

• ### BPA in plastic ice cube tray?

I know that heating plastic can make BPA go into your food. But what about freezing plastic would that have the same effect? I bought ice cube trays that don't mention BPA free on them and was just wondering if it is harmful in any way. what are your thoughts.

2 AnswersOther - Food & Drink7 years ago
• ### Pre calc help exact value, quadrant II?

How do you solve this??

Find the exact value of the expression given that sec x= -13/12 and

csec y= 5/4, x and y are in quadrant II

1) cos 2x

2) sin 2x

3) tan (x+ y)

• ### Pre calc sum or difference?

I need help with these 2 questions...

Write as a sum and/or difference:

• ### Pre calc. amplitude,period, phase shift and endpoint?

How do you solve this need help asap, thank you!!

Find amplitude,period, phase shift and endpoint

1). y= cos 2( x- (pie/2)

2). y= 2sin (1/2)x - (pie/6)

• ### Pre calc find amplitude period phase shift endpoint?

How do you solve this need help asap, thank you!!

Find amplitude,period, phase shift and endpoint

1). y= cos 2( x- (pie/2)

2). y= 2sin (1/2)x - (pie/6)

• ### calc help trigonometric and tangents?

Can help me understand how to solve these, I have finals soon and I'm lost :(

Find the six trigonometric functions of t.

1) t= 5pie / 3

2) t= -210^degree symbol

Find the exact values of all 0( with a slash ), 0^0 <( with a line under) 0( with a slash) < 360^0 . For which...

1)tan 0( with a slash) = - (1/ radical 3)

2) sin a (alpha) = -radical 3 / 2

• ### Pre calc help tangents?

I need help for final I don't know how to figure this out

If tan a (alpha) = 1/4 and the terminal point for a (alpha) is In quadrant III, find:

1). sec a + cos a

2). sin a + c sec a

• ### Pre calc graphing help?

How do you solve this

Find the domain, range, asymptote of the following functions

1). y= e^-3x. +1

2). y=log (x+2)

• ### Pre calc amplitude, phase shift, endpoint?

How do you solve this?

Find the amplitude, period, phase shift and endpoint then graph the following functions.

1). y=cos2( x- (pie/2))

2). y=2sin(1/2)x - (pie/6)

• ### Impossible pre calc question?

Find a cubic polynomial of degree 3 with real coefficients satisfying the condition f(2) = -10 and whose roots include i and 3.

• ### Pre calc help solve for x?

How do you solve this

Solve for x

1). (2 / 2 ^log5 x ) = 1/16

2). log(x^2 -1)=2+log (x+1)

Find all the roots or zeros for the following polynomial

F(x)= x^4 -2x^3 +5x^2 -8x +4

• ### Pre calc sum or difference?

I need help with these 2 questions...

Write as a sum and/or difference:

• ### Calc help trigonometric and tangents?

Can help me understand how to solve these, I have finals soon and I'm lost :(

Find the six trigonometric functions of t.

1) t= 5pie / 3

2) t= -210^degree symbol

Find the exact values of all 0( with a slash ), 0^0 <( with a line under) 0( with a slash) < 360^0 . For which...

1)tan 0( with a slash) = - (1/ radical 3)

2) sin a (alpha) = -radical 3 / 2

• ### Calculus help trigonometric, terminal point?

I need help figuring this out for a final.....

Find the values of the remaining trigonometric functions a 0 (with a slash) from the given information.

1) sin 0( with a slash) = 5/13 , cos 0( with a slash) = -(12/13)

2) cos 0( with a slash) = -(3/5) , tan 0( with a slash) < 0

Also....

If tan a (alpha) = 1/4 and the terminal point for a (alpha) is in quadrant III find..

1) sec a (alpha) + cos a ( alpha)

2) sin a ( alpha) + c sec a (alpha)

• ### Pre calculus exact value?

Need help for my pre calc final.

How do you solve these?

Find the exact value for the following:

1) sin 315^degree symbol

2) sec ( 22 pie / 3)

Evaluate the following:

1) log3 1/2

2) log4 8

• ### Calc help trigonometric and tangents?

Can help me understand how to solve these, I have finals soon and I'm lost :(

Find the six trigonometric functions of t.

1) t= 5pie / 3

2) t= -210^degree symbol

Find the exact values of all 0( with a slash ), 0^0 <( with a line under) 0( with a slash) < 360^0 . For which...

1)tan 0( with a slash) = - (1/ radical 3)

2) sin a (alpha) = -radical 3 / 2

• ### Pre calc solve with log help?

How do you answer these questions?

Solve the following equation:

1) log2 (7x+6) = log2 (3x+2) +log2 (x+2)

2) log2 (log3 x) = 2

• ### pre calc question find f(x)?

I got both wrong im not sure what to do.

Given f(x)= x/ x-1 g(x)= 2x-4/x

find a) (gog) (0)

and b) (fog)(-3)

for a) i got 2 and b) i got -5/6 but they are marked as wrong

• ### precalc is killing me?

how do you solve this.....

what is the remainder when the polynomial

p(x)=x^500+ 5x^201 -x^2-2x+4 is divided by x-1