Question

(9) Find the value of tan? 100° - sec? 100°.

Answer 1

Explanation:

$tan = cos(90 - 0 )$

0= thita (I wrote zero as thita cause the sign of thita wasn't available)

Answer 2

as per the question answer of tan 100 - sec 100 = -1.74687773806

if you want to know practically use scientific calculator