Establish the identity.cot x sec4 x = cot x + 2 tan x + tan3 x
What will be an ideal response?
cot x sec4 x = cot x (1 + tan 2 x)2 = cot x (1 + 2 tan2 x + tan4 x) = cot x + 2 tan x + tan3 x.
Mathematics
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Determine the quadrant containing the terminal side of ? under the given conditions.cot ? > 0 and sin ? < 0
A. Quadrant II B. Quadrant IV C. Quadrant I D. Quadrant III
Mathematics
Find decimal notation.20.19%
A. 0.1919 B. 0.2019 C. 2.019 D. 0.02019
Mathematics
Solve the problem.The temperature at the South pole was -45° at 8 am. At 3 pm, it was 12°. By how many degrees did the temperature rise?
A. by -57° B. by 33° C. by -33° D. by 57°
Mathematics
Solve the system by elimination.5 x - y = 114x + y = 16
A. (3, 4) B. (3, 5) C. (4, 3) D. No solution
Mathematics