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How do you prove this trigonometric relationship sin3A equals 3sinA cos 2 A - sin 3 A?
sin(3A) = sin(2A + A) = sin(2A)*cos(A) + cos(2A)*sin(A)= sin(A+A)*cos(A) + cos(A+A)*sin(A) = 2*sin(A)*cos(A)*cos(A) + {cos^2(A) - sin^2(A)}*sin(A) = 2*sin(A)*cos^2(A) + sin(a)*cos^2(A) - sin^3(A) = 3*sin(A)*cos^2(A) - sin^3(A)
How do you make a math expression?
The most basic expressions are numbers and variables. Any combination of expressions with +, -, x, /, powers, or other special functions (such as sine, cosine, logarithm, etc.) are also expressions. Thus, each of the following is a valid math expression: 5 x x + 3 4xy ax2 + bx + c sin(x) / log(y)
What is cot x sin x simplified?
To simplify such expressions, it helps to express all trigonometric functions in terms of sines and cosines. That is, convert tan, cot, sec or csc to their equivalent in terms of sin and cos.
What are three different expressions for 2 and 3 over 4?
three different expressions for 2 and 3 over 4 = 2 3/4 or 11/4 or 2.75
What is the range of y equals -3 sin x?
sin x can have any value between -1 and 1; therefore, 3 sin x has three times this range (from -3 to 3).
How can you prevent social sin?
you can talk to the priest about your sin
How can the equation y sin(arccosx) be rewritten so that no trigonometric expressions are involved?
sin(arccosx) = square root of (1 - x squared)
How do you write mixed expressions as rational expressions?
8+3/n
How do you prove this trigonometric relationship sin3A equals 3sinA cos 2 A - sin 3 A?
sin(3A) = sin(2A + A) = sin(2A)*cos(A) + cos(2A)*sin(A)= sin(A+A)*cos(A) + cos(A+A)*sin(A) = 2*sin(A)*cos(A)*cos(A) + {cos^2(A) - sin^2(A)}*sin(A) = 2*sin(A)*cos^2(A) + sin(a)*cos^2(A) - sin^3(A) = 3*sin(A)*cos^2(A) - sin^3(A)
How many different ways can you use the digits 3 and 5 to write expressions in exponential form and what are the expressions?
how many different ways can you use the digits 3 and to write expressions in exponential form/ what are the expressions
How do you make a math expression?
The most basic expressions are numbers and variables. Any combination of expressions with +, -, x, /, powers, or other special functions (such as sine, cosine, logarithm, etc.) are also expressions. Thus, each of the following is a valid math expression: 5 x x + 3 4xy ax2 + bx + c sin(x) / log(y)
What type of sin is evil in an institution and everyone in society is responsible for changing?
Social sin
What is SIN an abbreviation for?
Social insurance number
Sin3alfa equals to?
The expression (\sin(3\alpha)) can be expanded using the triple angle formula for sine, which is (\sin(3\alpha) = 3\sin(\alpha) - 4\sin^3(\alpha)). This formula allows you to express (\sin(3\alpha)) in terms of (\sin(\alpha)).
What are expressions like 4(3 2) and 4(3) 4(2)?
Equivalent expressions
What is the difference between concupiscence and sin of the word?
Concupiscence refers to the inclination to sin or the desire for worldly things, while sin of the word refers to sins committed through speech or communication. Concupiscence is an internal struggle, while sin of the word involves external actions and expressions.
What is referred to a social sin?
sins that effect our society
