Question

Evaluate sin^2 (pi/4) + cos^2(pi/4) + cos.

Answer 1

the answer is just 1

Explanation:

i kept putting in random numbers until i got it right

Answer 2

The answer of
`sin^2 (pi/4) + cos^2 (pi/4)` is √ 2

Explanation:

The value of
`sin^2 (pi/4)` = √2/ 2

The value of
`cos^2 (pi/4)` = √2/ 2

= √2/ 2 + √2/ 2

= √2 + √2 / 2

= 2 √2 / 2

Dividing √2 by 1

= √2