Question

please give the cost

Answer 1

Sin (50 + theta ) - sin ( 50 + theta) +( cos^2 40 + sin^2 40 )/(sin^2 40 + cos^ 40)

Sin^2theta + cos^2 theta = 1. ( Identity )

0 + 1/1 = 1

√ thus the answer is 1

Answer 2

$\huge\red{hey!!!friend}$

THANKS