exam Maths Puzzle Numerical Ability

Is this one correct?

8*10^6

=80^6

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exam Other Question
Verify the identity using Aultiple-Angle Trigonometric formulas.

1a) cos^(4)x-sin^(4)x=cos2x



1b) tanθ+cotθ=2csc2θ 12.48 In the following regression, X = weekly pay, Y = income tax withheld, and n = 35 McDonald’s

employees. (a) Write the fitted regression equation. (b) State the degrees of f