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How do you find the sin in a right triangle?
Sin is the opposite over the hypotenuse.
Can an equiangular triangle be scalene?
No. An equiangular triangle is always equilateral. This can be proven by the Law of Sines, which states that sin A / a = sin B / b = sin C / c, where A, B and C are angles of a triangle and a, b and c are the opposing sides of their corresponding angles. If A = B = C, then sin A = sin B = sin C. Therefore for the equation to work out, a = b = c. Therefore the eqiangular triangle is equilateral, and therefore not scalene, which requires that all sides of the triangle be of different lengths.
How would you find out the sin tan and cos of right angle triangle?
sin, tan and cos can be defined as functions of an angle. But they are not functions of a triangle - whether it is a right angled triangle or not.
How do you find the sine of an angle in a right triangle?
Sin is sin-1(opposite/hypotonose)
When abc are angles of a triangle prove sin2a sin2b sin2c4sinasinbsinc?
To prove that ( \sin^2 a \sin^2 b \sin^2 c = 4 \sin a \sin b \sin c ) for angles ( a, b, c ) of a triangle, we can use the identity ( a + b + c = 180^\circ ). The sine of angle ( c ) can be expressed as ( \sin c = \sin(180^\circ - (a + b)) = \sin(a + b) = \sin a \cos b + \cos a \sin b ). By substituting and manipulating these identities, we can derive the relationship, confirming the equality holds for the angles of a triangle.
How do you find the length of a triangle sides using perimeter and angles?
The solution relies on using the sine rule.Suppose that the perimeter of triangle ABC is P.Then you need to divide P into 3 parts in the ratio of sin(A) : sin(B) : sin(C).Let sin(A) + sin(B) + sin(C) = X. ThenAB = P*sin(C)/XBC = P*sin(A)/XCA = P*sin(B)/X
How do you find the height of a triangle without given area?
Answer the answer is Herons formula:Area=sqrt(sin(sin-a)+(sin-b)+(sin-c) where a ,b, c are the measurement of the sides.just input the measurement of the sides in the formula and you will have your answer.here you can calculate the area of a triangle with out height.
What is the length of side c in Triangle ABC to the nearest whole number if A equals 42 degrees and B equals 87 degrees and a equals 24?
28 The Law of Sines: a/sin A = b/sin B = c/sin C 24/sin 42˚ = c/sin (180˚ - 42˚ - 87˚) since there are 180˚ in a triangle. 24/sin 42˚ = c/sin 51˚ c = 24(sin 51˚)/sin 42˚ ≈ 28
Find out value of sin 45?
The value of sin 45 degrees, or sin(π/4 radians), is √2/2. This is derived from the properties of a 45-45-90 triangle, where the lengths of the legs are equal. Therefore, sin 45° represents the ratio of the opposite side to the hypotenuse in this triangle configuration.
What are the lengths of the missing sides of a 30-60-90 triangle if the longer leg of the triangle is 18 centimeter?
The longest side of the triangle will always be opposite the largest angle, which is 90° in this case. We can use the sine law to work out the other sides with that: sin(90°) / 18 = sin(60°) / x = sin(30°) / y 1/18 = sin(60°) / x x = 18 sin(60°) x = 18√3 / 2 x = 9√3 1/18 = sin(30°) / y y = 18 sin(30°) y = 9 So the triangle has a sides of 9 and 9√3, with a hypotenuse of 18
How are isosceles triangles and scalene triangles in common?
-- both types of triangle are plane (2-dimensional) figures-- both types of triangle have three sides-- both types of triangle have three interior angles that add up to 180 degrees-- in both types of triangle, sin(A)/a = sin(B)/b = sin(C)/cThose are the only characteristics shared by isosceles and scalene triangles.
What does sin x mean?
It means the ratio of the opposite angle to the hypotenuse of a triangle for angle "x". This is for a right triangle.
