Determine whether the equation is an identity or not an identity. cos theta/ sin theta tan theta = 1
a.
identity
b. not an identity

d

step-by-step explanation:

the solution is in the picture

the answer is c)8

step-by-step explanaction:

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it

irrational, cannot