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egoroff_w [7]
4 years ago
11

Rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1.

Mathematics
1 answer:
Gnesinka [82]4 years ago
6 0
Cos^4(x) = 
(cos²x)² = 
(1-sen²x)² = 
1² - 2*1*sen²x + sen^4x = 
1 - 2sen²x + sen^4x
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Chord AC intersects chord BD at point P in circle Z.
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1. To solve this problem and find the value of BP, you must apply the "Intersecting chords theorem".

 2. You have that:

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 4. When you substitute the values into (AP)(PC)=(BP)(DP), you obtain:

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3 years ago
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1 year ago
A sequence of numbers begins with 12 and progresses geometrically. Each number is the previous number divided by 2.
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