Establish the identity.tan 2 u (1 + cos 2u) = 1 - cos 2u
What will be an ideal response?
tan 2 u (1 + cos 2u) = 
(1 + cos 2u) = 1 - cos 2u
Mathematics
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Evaluate the exponential form.63
A. 18 B. 216 C. 9 D. 4
Mathematics
Simplify the expression.
A. cos3 ? B. tan2 ? C. sin ? D. sec2 ?
Mathematics
Insert a decimal point in the product.0.003 × 32 = 96
A. 0.96 B. 0.096 C. 0.0096 D. 96.
Mathematics
Solve the system of equations using substitution.
A. x = 2, y = -1; x = -2, y = -1 or (2, -1), (-2, -1) B. x = 1, y = 2; x = -1, y = 2 or (1, 2), (-1, 2) C. x = 2, y = -1; x = 1, y = 2; x = -1, y = 2; x = -2, y = -1 or (2, -1), (1, 2), (-1, 2), (-2, -1) D. x = 1, y = 4; x = 4, y = 19 or (1, 4), (4, 19)
Mathematics