Question

PLS HELP, EXPLANATION IS GREATLY APPRECIATED!!!!!

Answer 1

a = alpha

(sin a)^2

Explanation:

(tan a)^2=(sin a)^2/(cos a)^2

(sec a)^2 = 1/(cos a)^2

if we combine we get ((sin a)^2 * (cos a)^2)/(cos a)^2

simplafy

HOPE THIS HELPSSSS<3