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3 years ago

What is the exact value of cos 45° ?

Mathematics

2 answers:

kipiarov [429]3 years ago

5 0

Answer:

sqrt{2}/2

Step-by-step explanation:

Georgia [21]3 years ago

3 0

Let the two sides of a right triangle be equal to one, which means that the hypotenuse is √2

Since cosa=adjacent side / hypotenuse

cos45=1/√2

We can rationalize the denominator by multiplying numerator and denominator by √2

√(2)/2

or if you prefer: √(1/2)

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Evgesh-ka [11]

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3 years ago

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prohojiy [21]

Answer:

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Step-by-step explanation:

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3 years ago

In a beaded necklace 3/12 are blue and 1/3 are green

-Dominant- [34]

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2 years ago

A particular sound wave can be graphed using the function y = 1 sin 2x y = 1 sin 2 x . Find the amplitude of the function.

alexira [117]

Answer

Explanation

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y = a sin(kX+Ф)

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4 0

3 years ago

A triangle has an area of 48 square centimeters. The height of the triangle is 6 centimeters. What is the base of the triangle?

andrew11 [14]

Question :-

A Triangle has an Area of 48 cm² . The Height of the Triangle is 6 cm . What is the Base of the Triangle ?

Answer :-

Base of Triangle is 16 cm .

Explanation :-

As per the provided information in the given question, we have been given that the Area of Triangle is 48 cm² . It's Height is given as 6 cm . And, we have been asked to calculate the Base of Triangle .

For calculating the Base of Triangle , we will use the Formula :-

$\bigstar \: \: \: \boxed{ \sf{ \: Area \: _{Triangle} \: = \: \frac{1}{2} \: \times \: B \: \times \: H \: }}$