Question

${ \sin(45) }^{2} + { \cos(45 ) }^{2}$
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Answer 1

Answer:

1

Step-by-step explanation:

$\sin(45)= \frac{1}{ \sqrt{2} }$

$\cos(45) = \frac{1}{ \sqrt{2} }$

then cos(45) ²=½

and sin()45) ²=½

then,

cos(45) ² + sin(45) ²= ½ + ½

= ²/2 = 1