Can you use Sin Cos Tan on any triangle?

Sine Rule. The Sine Rule can be used in any triangle (not just right-angled triangles) where a side and its opposite angle are known. You will only ever need two parts of the Sine Rule formula, not all three. You will need to know at least one pair of a side with its opposite angle to use the Sine Rule.

Can you use SOH CAH TOA any triangle?

A: Yes, it only applies to right triangles. If we have an oblique triangle, then we can’t assume these trig ratios will work. We have other methods we’ll learn about in Math Analysis and Trigonometry such as the laws of sines and cosines to handle those cases.

How do you know when to use Sin Cos or tan on a triangle?

If the opposite and hypotenuse are being used, use sine for the calculations. If the adjacent and hypotenuse are used, use cosine. If the opposite and adjacent are being used, use tangent. You can remember this using the acronym SOH CAH TOA.

Can you use COS on any triangle?

The Cosine Rule can be used in any triangle where you are trying to relate all three sides to one angle. If you need to find the length of a side, you need to know the other two sides and the opposite angle.

Can you use sin on any triangle?

The Law of Sines can be used to solve oblique triangles, which are non-right triangles. According to the Law of Sines, the ratio of the measurement of one of the angles to the length of its opposite side equals the other two ratios of angle measure to opposite side.

Is Cos only for right triangles?

Although most often trigonometric functions are used with right triangles there are some situations when they can be used for any type of triangle. Examples: If you have two sides given and an angle between them you can use the trigonometric functions the Law of Cosines to calculate the third side.

Do all triangles equal 180?

The angle sum of a triangle will always be equal to 180°. The angle sum of a quadrilateral is equal to 360°, and a triangle can be created by slicing a quadrilateral in half from corner to corner. Since a triangle is essentially half of a quadrilateral, its angle measures should be half as well. Half of 360° is 180°.

Is Pythagoras only for right triangles?

Pythagoras’ theorem only works for right-angled triangles, so you can use it to test whether a triangle has a right angle or not. In the triangle above, if a 2 < b 2 + c 2 the angle is acute.

How do you find a hypotenuse?

How do I find the hypotenuse of isosceles right triangle?

1. Find the length of one of the non-hypotenuse sides.
2. Square the length of the side.
3. Double the result of the previous step.
4. Square root the result of step 3. This is the length of the hypotenuse.

How do you find the missing side of a triangle?

Video quote: And we have two sides of the right triangle to find the missing side we could use something called a Pythagorean theorem which states that a squared plus B squared is equal to C squared.

Does 12 16 and 20 make a right triangle?

There is a fourth category of triangles in which one of interior angles is of 90∘ . It is called right triangle. It can be either be Scalene or Isosceles. 1) 12,16,20 : 202=162+122 : True, hence right triangle.

Does 30 40 45 Make a right triangle?

Pythagoras’s Theorem states that the square of the length of the hypotenuse of a right-angled triangle is equal to the sum of the squares of the lengths of the other two sides. Actually a 30 , 40 , 50 triangle is just a scaled up 3 , 4 , 5 triangle, which is a well known right angled triangle.

Does 36 77 85 Make a right triangle?

Because both sides of the equation are equal these lengths do form a right triangle.

Does 8 15 17 make a right triangle?

Yes, 8, 15, 17 is a Pythagorean Triple and sides of a right triangle.

Does 10 24 and 26 make a right triangle?

Explain. Summary: A triangle has sides of lengths 10, 24, and 26 is a right triangle.

Does 9 12 14 make right triangles?

Explanation: By virtue of the Pythagorean Theorem, in a right triangle the sum of the squares of the smaller two sides equals the square of the largest side. Only 9, 12, and 15 fit this rule.

Does 5 12 13 make a right triangle?

A Pythagorean triple is simply a set of three integers that are solutions for the Pythagorean theorem. The best known triple is 3-4-5, with 5-12-13 being the next most recognized. Any triangle composed of sides of lengths that match the Pythagorean triple will be a right triangle.

Can 3cm 3cm 6cm make a triangle?

Answer Expert Verified



As We Know Sum Of Two Sides Of A Triangle Must Be Greater Than The Third Side . The Given Measurements Are 2cm , 3cm And 6cm . Here The Sum Of The Two Sides Is Less Than Third Side . Hence A Triangle Cannot Be Constructed .

Does the sides 5m 12m 13m form a right triangle?

Answer and Explanation: Yes, a right triangle can have side lengths 5, 12, and 13.

Does 16 30 34 Make a right triangle?

So let’s try it. where c is the hypotenuse and a and b are the two shorter sides. And as we can see, the two sides do not equal each other, so this means the sides do not make a right triangle.

Is 112 a Pythagorean triplet?

, are (3, 4, 5), (5, 12, 13), (7, 24, 25), (20, 21, 29), (9, 40, 41), (11, 60, 61), (13, 84, 85), (15, 112, 113), ….

What kind of triangle is 4/5 6?

The three numbers 4, 5, 6 make a Pythagorean Triple (they could be the sides of a right triangle).

Does 9 40 41 make a right triangle?

Yes, 9, 40, 41 is a Pythagorean Triple and sides of a right triangle.

Does 11 60 and 61 make a right triangle?

Yes, 11, 60, 61 is a Pythagorean Triple and sides of a right triangle.

Does 12 35 37 Make a right triangle?

Yes,The triangle is a right angled triangle. Step-by-step explanation: The sides of the triangle are 12,35 and 37.