Trigonometry

Rewrite it as cosh/sinh

Volume of pyramid = 1/3 Base x Height

100 = 25h/3

25h = 300

height = 12cm

Square the two smaller sides and add them together. Take the square root of the answer. If that is the same as the third side then you have a right angled triangle and if not, then you have not.

I'm not sure exactly what this question is asking, but I will attempt to answer.

An angle on the unit circle is created by drawing a straight line from the origin to a point on the circle.

The x-coordinate of a point corresponds to the cosine of the angle.

For example: cos(90o) = 0

The y-coordinate of a point corresponds to the sine of the angle.

For example: sin(270o) = -1

cos(30)cos(55)+sin(30)sin(55)=cos(30-55) = cos(-25)=cos(25)

Note: cos(a)=cos(-a) for any angle 'a'.

cos(a)cos(b)+sin(a)sin(b)=cos(a-b) for any 'a' and 'b'.

The answer is given below:

cos(a)cos(b)-sin(a)sin(b)=cos(a+b)

a=7pi/12 and b=pi/6

a+b = 7pi/12 + pi/6 = 7pi/12 + 2pi/12 = 9pi/12

We want to find cos(9pi/12)

cos(9pi/12) = cos(3pi/4)

cos(3pi/4)= cos(pi-pi/4)

cos(pi)cos(pi/4)-sin(pi)sin(pi/4)

cos(pi)=-1

sin(pi)=0

cos(pi/4) = √2/2

sin(pi/4) =√2/2

cos(pi)cos(pi/4)-sin(pi)sin(pi/4) = - cos(pi/4) = -√2/2

It is a simple trigonometric equation. However, without information on whether the angles are measures in degrees or radians, and with no domain for theta, the equation cannot be solved.

Not two numbers- the same number twice: 2.5 and 2.5. To find this out, use simultaneous equations: xy=6.25 and x+y=5. Rearrange the second equation to y=5-x and substitute this value for y into the first equation: x(5-x)=6.25. Expand the brackets to get 5x-x2=6.25, subtract 6.25 from both sides to get -x2+5x-6.25=0. Apply the quadratic formula to find the final answer.

ya stick a pipe up ya anus

Divide by (14400*2.54^2).

Algebraic Steps / Dimensional Analysis Formula ____ mm²*1 cm²

100 mm²*1 in²

6.4516 cm²*1 ft²

144 in²=? ft²

Direct Conversion Formula ____ mm²*1 ft²

92903.04 mm²=? ft²

360 degrees

you minus the bigger side by the smaller side

example: a 6 in side and a 2 in side. you do 6-2=4. the missing side is 4 in

To calculate the arc length of a sector:

calculate the circumference length, using (pi * diameter), then multiply by (sector angle / 360 degrees)

so : (pi * diameter) * (sector angle / 360) = arc length

cosine (90- theta) = sine (theta)

COS squared Theta + SIN squared Theta = 1; where Theta is the angles measurement in degrees.

sine, cosine, tangent, cosecant, secant and cotangent.

-2.2460367739042160541633214384164

No, not necessarily. Cosine theta is equal to 1 only when theta is equal to zero and multiples of 2 pi radians or multiples of 360 degrees. This is because cosine theta is hypotenuse over adjacent, and the ratio 1 only occurs at 0, 360, 720, etc. or 0, 2 pi, 4 pi, etc.

Assuming you know the angle of ascension, and the base, you can calculate the height by recalling that tangent theta is height over base. Simple algebra from there: height is tangent theta times base.

Yes of course

cosec x is the inverse of sin x by definition in trigonometry sin x=opp. side/hypotenuse

cosec x= hypotenuse/opp.side

thank u

There is no value cot 0, because cot 0 is equivalent to 1 / tan 0, which is equivalent to 1 / 0, which is undefined.

That said, the limit of cot x as x approaches 0 is infinity.

cos(55) = 0.022126756261956

zero