Question

sin@ + cos@=
$\sqrt{2}$


find sin@​

Answer 1

Answer:

sin@+cos@=✓2

=> sin@= 1/✓2

bcoz

sin45°+cos45°=1/✓2+1/✓2

=> 2

_______

✓2

=> rationalise the denominator now

=> it will come as

=> 2✓2

________

2

=> cancel 2 with 2 and ✓2 is left

.°. sin@= 1/✓2

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