Which equation is a reciprocal identity?
a. sec θ=(1)/(csc θ)
b. sec θ=(1)/(cos θ)
c. sec θ=(1)/(tan θ)
d. sec θ=(1)/(sin θ)
a. sec θ=(1)/(csc θ)
b. sec θ=(1)/(cos θ)
c. sec θ=(1)/(tan θ)
d. sec θ=(1)/(sin θ)