Verify the identity.tan 2 ? (1 + cos 2?) = 1 - cos 2?

What will be an ideal response?

tan 2 ? (1 + cos 2?) = (1 + cos 2?) = 1 - cos 2?

Mathematics

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Round the whole number to its highest place value.2618

A. 2890 B. 4000 C. 3000 D. 3100

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Perform the indicated operations and simplify the result. Leave the answer in factored form. - 

A.
B. 0
C.
D. 8x

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Mathematics

Graph the function.y = log2 (x + 2)

A.

B.

C.

D.

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Mathematics

Find the direction angle of the vector v. Round to the nearest tenth if necessary. v = -i + 6j

A. 189.5° B. 260.5° C. 170.5° D. 99.5°

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Mathematics