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# What is sec2?

Updated: 12/17/2022

Wiki User

12y ago

sec2 = 1/cos(2) = -2.403 (radians)

Wiki User

12y ago

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Q: What is sec2?
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### Can someone verify that sec4 theta-sec2 theta equals tan4 theta plus tan2 theta?

sec4(&Theta;) - sec2(&Theta;) = tan4(&Theta;) + tan2(&Theta;)Factor each side: sec2(&Theta;) [sec2(&Theta;) - 1] = tan2(&Theta;) [tan2(&Theta;) + 1]Use the identitiy: 1 + tan2(&Theta;) = sec2(&Theta;)We can also write it as: tan2(&Theta;) = sec2(&Theta;) - 1Substitute the first form of the identity in the right side: sec2(&Theta;) [sec2(&Theta;) - 1] = tan2(&Theta;) sec2(&Theta;)Substitute the second form of the identity in the left side: sec2(&Theta;) tan2(&Theta;) = tan2(&Theta;) sec2(&Theta;)Is that close enough for you ?Is it worth a trust point ?

### What is the derivative of sec squared x?

derivative of sec2(x)=2tan(x)sec2(x)

It is sec2.

### How do you convert km per hr2 to km per sec2?

km/hr2 x 7.71604938 x 10^-8) = km/sec2

### How do you convert meter per second squared to km per hour squared?

1 kilometer = 1,000 meters 1 hour = 3,600 seconds 1 meter/sec2 = (1 meter/sec2) x (1 kilometer/1,000 meters) x (3,6002 sec2/hr2) = 12,960 km/hr2 1 km/hr2 = 7.716 x 10-5 meter/sec2

9.6 m/sec2.

### What is 0.25g equivalent to?

One fourth of a gram, or 2.45 m/sec2 .

5.052 feet/sec2

### Simplify Secant squared of x minus one?

There is a trigonometric identity that states that sec2(x) - tan2(x) = 1, for every x. By rearranging this formula we can find that sec2(x) - 1 = tan2(x).

### How do you graph a tangent function y equals 2tan 2x?

The derivative of a function is the function's tangent function.So, d(y)/dx = d(2tan(2x))/dx = 2*d(tan(2x))/dx = 2*d(tan(u))/du*du/dx, where u=2x, = 2*sec2(2x)*d(2x)/dx = 4*sec2(2x)*d(x)/dx = 4*sec2(2x)Now just make a plot for y = 4*sec2(2x) and you got your tangent function.

### Meaning of g is?

G is the 7th letter of the modern English alphabet In most science texts "g" is used to designate the acceleration due to gravity at Earthh's surface (9.8 m/sec2 or 32 ft/sec2)

### The F-14 Tomcat lands on aircraft carriers at a speed of 145 mph The carriers capture system stops the aircraft within 2 seconds What is the F-14's acceleration rate?

(145 miles/hour) / 2 seconds = (319/3) ft/sec2 = (106 and 1/3) ft/sec2 = about 3.3 'G's===================================Using:60 mph = 88 ft/secG = 32.2 ft/sec2