Question

What is Sin 45 degrees?

Answer 1

Answer:

The value of Sin 45 degree in decimal form is 0.7071067812.  Sin 45 degree in decimal form is 0.7071067812. Sin is one of the most important functions in trigonometry as it is used to find out the unknown values of the angles and length of the sides of a right-angle triangle.

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Answer 2

The sin 45° = 1 /√2 is answer.

It is required to find the value of sin 45°.

What is trigonometry?

The branch of mathematics dealing with the relations of the sides and angles of triangles and with the relevant functions of any angles.

As we know that a right angled isosceles triangle has two non-right angles equal.

By applying the Pythagorean Theorem, we conclude the hypotenuse to be  √2 .

sinθ=perpendicular/hypotenuse

sin45°=1 /√2

Hence, sin45°=1 /√2

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