Verify the identity.sec 4 x - tan 4 x = sec 2 x + tan 2 x
What will be an ideal response?
sec 4 x - tan 4 x = (sec 2 x + tan 2 x)(sec 2 x - tan 2 x) = (sec 2 x + tan 2 x)(1) = sec 2 x + tan 2 x.
Mathematics
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Assume that a sample of bivariate data yields the correlation coefficient, r, indicated. Use the critical values table for the specified sample size and level of significance to determine whether a linear correlation exists.r = 0.844 when n = 10 at ? = 0.01
A. No B. Yes
Mathematics
Classify the angle as acute, right, obtuse, or straight.5.54°
A. straight B. right C. obtuse D. acute
Mathematics
Solve the equation.x + 3 = -26 + 15
A. 44 B. -14 C. -44 D. 14
Mathematics
Write the sentence as an equation.The quotient of -28 and 4 amounts to -7.
A. -28 + 4 = -7
B. -28 - 4 = -7
C. 
= -7
D. -28(4) = -7
Mathematics