0
One solution.
(cos x)2 - 2cos x = 3
Factor:
(cos x - 3)(cos x + 1)= 0
cos x = {-1, 3}
Solve:
For cos x = -1, x = 180 deg
No solution for cos x = 3
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∙ 13y ago
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What is a verbal expression for 2a squared -3?
5
What is three x minus three x equal?
Anything minus itself is zero.
What is the factor of x cube plus three x squared minus x minus three?
(x + 3)(x - 1)(x + 1)
How do you do minus nine divided by 3?
(-9) / 3 = -3 . Minus nine divided by three is equal to minus three
What is 3 times negative 2 minus three?
Three times negative 2 minus three is equal to -9
What is the product of four x squared minus one over two x squared minus five x minus three and x squared minus six x plus nine over two x squared plus five x minus three?
By factoring I get x-3 divided by x+3
Three squared minus 2 squared equals?
It is: 9-4 = 5
What is a verbal expression for 2a squared -3?
5
What is three plus three minus 7?
Three plus three minus 7 is equal to -1
What is three x minus three x equal?
Anything minus itself is zero.
Two hundred minus three x is equal to nine?
two hundred minus three times a number is equal to nine
What is three squared equal to?
3 squared is 3 x 3 or 9.
What is the factor of x cube plus three x squared minus x minus three?
(x + 3)(x - 1)(x + 1)
How do you do minus nine divided by 3?
(-9) / 3 = -3 . Minus nine divided by three is equal to minus three
Does 3 squared equal 6?
No, three squared is nine. 3(squared sign) =3x3 =9
What is 3 times negative 2 minus three?
Three times negative 2 minus three is equal to -9
What is the answer to three minus three times six plus two?
Three minus three times six plus two is equal to -13.
