Friday

August 1, 2014

August 1, 2014

Posted by **anonymous** on Monday, January 8, 2007 at 9:45pm.

I KNOW THE ANSWER IS PI/2 AND 3PI/2, BUT WHY AREN'T THEY PLUS OR MINUS.

If they are tangent, they have the same coordinates, and the same slope.

y=x+b

y=x+bsinx

subtracting the first from the second..

0= b(sinx-1)

sinx=1 x=PI/2 or x=-3PI/2

slope:

both 1. The answers are pI/2, -3PI/2

**Related Questions**

calculus - find the points on the graph of y=secx where the tangent is parrallel...

trig - What seven points of x can I put on the x axis over the interval -2pi ...

Pre-Calculus - Find the rectangular equation of the curve whose parametric ...

i lied. very quick calc problem. - f(x) = abs(sin(x)), -pi less than or equal to...

calc - i did this problem and it isn't working out, so i think i'm either making...

Trigonometry - Find all values of x such that sinx+sin2x=0 and 0 <= x <= ...

Trigonometry - a. Find the exact value of sin (theta - pi/6) b. Find the exact ...

Calculus c - Let f be a twice-differentiable function defined on the interval -1...

Trigonometry - 4. Find the exact value for sin(x+y) if sinx=-4/5 and cos y = 15/...

MATH - Please help me with these problems. Work and answer is appreciated! :) ...