Verify the identity.(1 - cos x)(1 + cos x) = sin2 x

What will be an ideal response?


(1 - cos x)(1 + cos x) = 1 - cos2x = sin2x

Mathematics

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Solve the problem.Given that p ? q is true, what can you conclude about the truth values of p and q?

A. At least one of p and q must be true B. Exactly one of p and q is true C. Both p and q are true D. p and q have the same truth value

Mathematics

Graph the function to find the stated characteristic of the graph.Graph f(t) = - 3cos (2(t - )) in  by . State the period.

A. 2?
B. - 
C. ?
D.

Mathematics

What part of the object or set of objects is shaded?

A.
B.
C.
D.

Mathematics

Multiply and simplify. ? 

A.
B.
C.
D.

Mathematics