Questions in Grade High-school

Questions in Grade High-school

[Open]Assume that Angle A is an acute angle and [tex]\tan A = 1.230[/tex]. What is the measure of Angle A?

[Open]Determine the cosine of 23 degrees:

[Open]What is the answer to [tex] \log_{1/3} 27 [/tex]?

[Open]How do you enlarge a shape by 300 percent?

[Open]Calculate the value of the expression: \[ 3 \times (9 - 5) \div 6 \times 2 \]

[Open]Solve for \( x \) in the equation: \[ 3 \ln x + \ln 5 = 7 \]

[Open]How to add fractions:

[Open]Find the slope of the line given by the equation \(8x + 4y = 8\).

[Open]Which expression is equivalent to \(-8 - 12\)? A. \(-8 + (-12)\) B. \(-8 + 12\) C. \(8 - 12\) D. \(8 + (-12)\)

[Open]Verify the trigonometric identity: \[ \cos^2 \theta - \sin^2 \theta = 1 - 2\sin^2 \theta \]