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Which expression completes the identity sin ucosv?

Anonymous

∙ 12y ago

Updated: 9/22/2023

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Q: Which expression completes the identity sin ucosv?

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What is the expression of sine of 42-degrees?

Sin(42 o ) = 0.669130606 = 0.6691 ( 4 d.p._.

Is sin 2x equals 2 sin x cos x an identity?

YES!!!! Sin(2x) = Sin(x+x') Sin(x+x') = SinxCosx' + CosxSinx' I have put a 'dash' on an 'x' only to show its position in the identity. Both x & x' carry the same value. Hence SinxCosx' + CosxSinx' = Sinx Cos x + Sinx'Cosx => 2SinxCosx

If cos and theta 0.65 what is the value of sin and theta?

You can use the Pythagorean identity to solve this:(sin theta) squared + (cos theta) squared = 1.

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cos(30)cos(55)+sin(30)sin(55)=cos(30-55) = cos(-25)=cos(25) Note: cos(a)=cos(-a) for any angle 'a'. cos(a)cos(b)+sin(a)sin(b)=cos(a-b) for any 'a' and 'b'.

What is cos 360 minus theta?

Cos(360 - X) = Trig. Identity Cos(360)Cos(x) + Sin(360)Sin(x) => 1CosX + 0Sinx => CosX + o => CosX

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Where expression is not equivalent to sin 150?

The expression on your face is not equal to sin 150 as you read this answer.The expression on your face is not equal to sin 150 as you read this answer.The expression on your face is not equal to sin 150 as you read this answer.The expression on your face is not equal to sin 150 as you read this answer.

What is the identity for tan theta?

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What are the sum and difference identities for the sine cosine and tangent functions?

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cos(x) = sin(pi/2 + x)

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How do you solve the following identity sec x - cos x equals sin x tan x?

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You use the identity sin2x + cos2x = 1 (to simplify the expression in parentheses), and convert all functions to sines and cosines. sec x tan x (1 - sin2x) = (1/cos x) (sin x / cos x) (cos2x) = (sin x / cos2x) cos2x = sin x

What is equation that is always true?

An identity is a statement which says two quantities are equal, like as x + y = y + x or sin (x + y ) = sin x cos y + cos x sin y .

What is the expression of sine of 42-degrees?

Sin(42 o ) = 0.669130606 = 0.6691 ( 4 d.p._.

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