Verify the identity.(tan x + 1)2 + (tan x - 1)2 = 2 sec2 x
What will be an ideal response?
(tan x + 1)2 + (tan x - 1)2 = tan2x + 2 tan x + 1 + tan2x - 2 tan x + 1 = 2(tan2x + 1) = 2 sec2x
Mathematics
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Multiply using the Russian Peasant method.68 × 358
A. 24,024 B. 24,304 C. 24,344 D. 24,334
Mathematics
Decide if the situation is a permutation or a combination and then answer the question.A signal is made by placing 3 flags, one above the other, on a flag pole. If there are 6 different flags available, how many possible signals can be flown?
A. Permutation; 18 B. Combination; 216 C. Permutation; 120 D. Combination; 20
Mathematics
Combine like terms whenever possible. Write the result with descending powers.-7m6 - 3m6
A. -10m6 B. Cannot be simplified C. -60m D. -10m12
Mathematics
Find the quotient.7 ÷ 0
A. 0 B. undefined C. 7 D. 1
Mathematics