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tanA+secA-1/tanA-secA+1=1+sinA/cosA
Y=25cos (3.14t/3)+27

What is the frequency of motion in hertz?
Evaluate the given expression, leave the answer in simple radical form. sec60 degrees * tan135 degrees - tan60degrees * cot60
Write each expression in the standard form for a complex number, a + bi.
a. [3(cos(27°)) + isin(27°)]5
b. [2(cos(40°)) + isin(40°)]6

I just really need help
If A, B, C, are the interior angles of a treangle ABC,show that cosec square A(B+C/2)- tan square A(A/2)=1
if sina= 5/13 and angle a is in quadrant two, and cosa=4/5 and angle b is quad three, find cos (a-b)
How do you see cubic graphy or palobora
From a boat on the lake, the angle of elevation to the top of a cliff is 24°52'. If the base of the cliff is 944 feet from the boat, how high is the cliff (to the nearest foot)?

438 ft

441 ft

448 ft

451 ft

show work and explanations please
Find all solutions in the interval [0, 2π).

7 tan3x - 21 tan x = 0

Help me please
Find all solutions in the interval [0, 2π).

cos x = sin x

Help me please
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