Question

Evaluate the following.
(i)
sin 45° + cos 45º​

Answer 1

sin 45 = 1 / root 2

cos 45 = 1 / root 2

so 1 / root2 + 1 / root2

= 2 / root 2

Answer 2

Answer:

SIN 45 =

$1 \div \sqrt{2}$

COS 45 =

$1 \div \sqrt{2}$

SO,

SIN 45 + COS 45 =====

$2 \div \sqrt{2}$

========

$2 \sqrt{2} \div 2$

HOPE IT HELPZ......