Question

Sin square 45- cos square 45+3tan 45​

Answer 1

Answer:

sin^2 45-cos^2 45+3 tan 45

=(1/√2)^2-(1/√2)^2+3.1

=1/2-1/2+3

=3

Answer 2

Answer:

3

Step-by-step explanation:

sin^2 45 - cos^2 45 + 3tan45

= ( 1/$\sqrt{2}$)^2 - ( 1/$\sqrt{2}$)^2 + 3 (1)

= 1/2 - 1/2 + 3

= 3

:-) :-)