Sin 42 Degrees

Sin 42degrees = sin (7/30 × .

Also, At what angle is tan?

is a numeric expression for an angle in radians. TAN(135 * 3.1415927/180) calculates the tangent of a 135 degree angle as the value -0.99999993 . The expression converts degrees to radians.

Hereof, How do you get sin 41?

The sin of 41 degrees is 0.65606, the same as sin of 41 degrees in radians. To obtain 41 degrees in radian multiply 41° by / 180° = 41/180 .

Also to know What is Arcsin equal to? The arcsin function is

the inverse of the sine function

. It returns the angle whose sine is a given number.


sin30 = 0.5 Means: The sine of 30 degrees is 0.5
arcsin 0.5 = 30 Means: The angle whose sin is 0.5 is 30 degrees.

What is equal to tan?

Today we discuss the four other trigonometric functions: tangent, cotangent, secant, and cosecant. … The tangent of x is defined to be its sine divided by its cosine: tan x = sin x cos x . The cotangent of x is defined to be the cosine of x divided by the sine of x: cot x = cos x sin x .

18 Related Questions Answers Found

Does tan equal Y X?

The unit circle definition is tan(theta)=y/x or tan(theta)=sin(theta)/cos(theta). The tangent function is negative whenever sine or cosine, but not both, are negative: the second and fourth quadrants. Tangent is also equal to the slope of the terminal side. … Like we have for the sine and cosine.

Why is tan 90 undefined?

tan90∘ is undefined because you can’t divide 1 by nothing. Nothing multiplied by 0 will give an answer of 1 , so the answer is undefined.

How do you solve sin 35 degrees?

sin 35° ≈ 1/2 + (π/36) (√3/2).

How do you find the value of sin 39?

In a triangle which has one angle of 90 degrees, the sine of the angle of 39° is the ratio of the length of the opposite side o to the length of the hypotenuse h: sin 39° = o/h.

Is the value of sin 60?

From the above equations, we get sin 60 degrees exact value as √3/2.

What is the inverse of tan?

Inverse tan is the inverse function of the trigonometric function ‘tangent‘. It is used to calculate the angle by applying the tangent ratio of the angle, which is the opposite side divided by the adjacent side of the right triangle. Based on this function, the value of tan 1 or arctan 1 or tan 10, etc.

What is Sinx sin1?

sin¯¹x is the inverse function of sine, also called arcsine. It takes a ratio between -1 and +1 as input, and returns an angle measure as output. 1/ sinx is the reciprocal of the sine value of x, it is also called cosecant.

Does arcsin cancel out sin?

The following is a valid identity for all x in the domain of the cosecant function. The arcsine function is the inverse function for the sine function on the interval . So they “cancel” each other under composition of functions, as follows.

What is tan theta formula?

⇒ tan x = sin x/cos x. or, tan theta = sin theta/cos theta (here, theta is an angle) The sine of an angle is equal to the length of the opposite side divided by the length of the hypotenuse side, while the cosine of an angle is the ratio of the adjacent side to the hypotenuse side.

What is the formula of tan 2 theta?

tan 2x = 2tan x / 1−tan2x

tan 2x = Double angle function of tan x. tan2x = Square funtion of tan x.

What is the formula of tan 3 Theta?

What is the Formula of Tan 3x? Ans: Formula of tan3x = (3tanx – tan3x)/(1 – 3tan2x).

What is the formula of tan theta by 2?

tan x/2 = sin x/ (1 + cos x) 1st easy equation tan x/2 = (1 – cos x) /sin x 2nd easy equation.

What is sec theta equal to?

The reciprocal cosine function is secant: sec(theta)=1/cos(theta). The reciprocal sine function is cosecant, csc(theta)=1/sin(theta).

Why are 0 and 90 degrees not there?

When the angle becomes zero, then the base becomes 0, and the perpendicular and the hypotenuse becomes the same line. Since in cos 90, base is 0, therefore therefore cos 90 is zero. Because the cosine of an angle tells the size of the adjacent side of a right triangle compared to the hypotenuse.

Is tan ever undefined?

The function y = tan(x) is undefined at all points where cos(x) = 0. This is because the tangent of an angle is defined as the sine of that angle divided by the cosine of that angle. In other words, tan(x) = sin(x)/cos(x).

What is the cosine of 55?

The cos of 55 degrees is 0.57358, the same as cos of 55 degrees in radians. To obtain 55 degrees in radian multiply 55° by / 180° = 11/36 .

What is sin 90 degrees in fraction?

Hence, Sin 90 deg will be equal to its fractional value i.e. 1/1.

How do you solve sin 25 degrees?

Sin 25 Degrees

The sin of 25 degrees is 0.42262, the same as sin of 25 degrees in radians. To obtain 25 degrees in radian multiply 25° by / 180° = 5/36 . Sin 25degrees = sin (5/36 × .

How do you calculate cos61?

Note that cos61° is periodic: cos (61° + n × 360°) = cos 61 degrees, n . There are more formulas for the double angle (2 × 61°), half angle ((61/2)°) as well as the sum, difference and products of two angles such as 61° and β.

How do you find the value of sin 40?

The sin of 40 degrees is 0.64279, the same as sin of 40 degrees in radians. To obtain 40 degrees in radian multiply 40° by / 180° = 2/9 . Sin 40degrees = sin (2/9 × .