Establish the identity.sin2(-?) + cos2(-?) = 1

What will be an ideal response?


sin2(-?) + cos2(-?) = (-sin ?)2 + (cos ?)2 = sin2? + cos2? = 1

Mathematics

You might also like to view...

If the equation represents a hyperbola, find the center, foci, and asymptotes. If the equation represents an ellipse, find the center, vertices, and foci. If the equation represents a circle, find the center and radius. If the equation represents a parabola, find the focus and directrix. 16x2 + 64x + 25y2 - 100y - 236 = 0

A. C: (-2, 2); V: (-7, 2), (3, 2); F: (-6, 2), (2, 2) B. C: (-2, 2); V: (-7, 2), (3, 2); F: (-5, 2), (1, 2) C. C: (-2, 2); V: (2, -7), (2, 3); F: (2, -5), (2, 1) D. C: (-2, 2); V: (2, -7), (2, 3); F: (2, -6), (2, 2)

Mathematics

Write the fraction as a decimal. Round to the nearest thousandth if necessary.

A. 0.025 B. 2.5 C. 0.25 D. 4

Mathematics

Use INTERSECT to find the solution to the equation. Round to two decimal places, if necessary.6(x - 3) = 2(x - 2)

A. x = 2.5 B. x = -3.5 C. x = 3.5 D. x = -2.5

Mathematics

Simplify. ? 

A.
B. 9
C.
D. 3

Mathematics