Wednesday

April 16, 2014

April 16, 2014

Posted by **Grace** on Friday, January 1, 2010 at 6:01pm.

cotx=cscx-1

the answer choices are:

a.) x=Pi/2

b.) x=Pi/2 and 3Pi/2

- Trig -
**Reiny**, Friday, January 1, 2010 at 7:17pmpi/2 surely works, (try subbing it in)

remember that 3pi/2 is 270º

tan 270º is undefined, so cot 270º = 0

LS = cot 3pi/2 = 0

RS = 1/sin 270 - 1 = 1/-1 - 1 = -2

so 3pi/2 does not work.

**Related Questions**

trig - Solve cos x-1 = sin^2 x Find all solutions on the interval [0,2pi) a. x=...

trig - Solve the equation for cos theta-tan theta=0 for greater than or egual to...

Math - Can I please get some help on these questions: 1. How many solutions does...

pre-calc - Can someone help me find the exact value of 4csc(3pi/4)-cot(-pi/4)? ...

Trigonometry - How do I find all solutions in the interval [0,2Pi): sin2x=cos2x ...

Pre-Cal(Please check) - Approximate the equation's solutions in the interval (0,...

Pre-Calculus - cos^2(x) + sin(x) = 1 - Find all solutions in the interval [0, ...

Pre-Cal(Please check) - 1) Find the Asymptotes: y = -2 sec 2pi x pi/2b and 3pi/...

Pre-Calculus-check answers - State the period and phase shift of the function y...

calculus - given the graph of f(x) = x sinx, 0<=x<=2pi assuming that a ...