How do you eliminate the parameter theta to find a cartesian equation of the curve: x=sin(1/2 theta), y=cos(1/2 theta), 0 is less than or equal to theta and theta is less than or equal to 4pi

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

Awavelength of 610 nm was found to be the most intense wavelength emitted by copper. answer the following questions about this wavelength of light. a) what is this wavelength in cm? b) what is the frequency that corresponds to this wavelength? c) what is the energy of light of this wavelength? d) what is the wavenumber corresponding to this wavelength?

Point q is equidistant from the sides of ∠tsr. find m∠rst.