# What Quadrant Is Csc Positive

What Quadrant Is Csc Positive – And the cotangent buttons on the calculator, we need to use the formulas for these functions given in terms of sine, cosine and tangent.

Functions of θ We can use the formulas and circular formula to find the other five trigonometric functions.

## What Quadrant Is Csc Positive

Example 4: Find the value of five other trinomials. Functions if tan θ = and π < θ < 2π. *First, determine which quadrant the angle is in.*

#### Graphs Of Secant, Cosecant, And Cotangent

13 Homework (Day 1) p. 285; (Class Exercises) 5 – 7 All p. 285; (Written Exercises) 1, 2

14 p. 285 5) III IV a. cos θ = -3/5 b. Tan θ = -4/3 c. Cradle θ = -3/4 d. sec θ = -5/3 e. csc θ = 5/4 1) a b c d 2) a b c d

Or indicate that the value is undefined. sin 120° = csc 120° = cos 120° = sec 120° = tan 120° = cot 120° =

16 Example 6: Find the exact value of each expression or declare that the value is undefined. csc 90° = 1 sec 90° = undefined tan 90° cot 90° = 0

## Review Of Trig Functions

If there is an error in the answer, write “not defined” in the box. Tan 0° = Tan 45° = Tan -45° = Tan 90° = Tan -90° = Tan 180° = Tan -180° = Tan 270° = Tan -270° = Tan 360° = Tan -360° =

In order for this website to function, we collect and share user data with processors. Your use of this website requires you to accept our Privacy Policy, including our Cookies Policy. Elements of plane and spherical trigonometry. , and esc is negative, and tan and cot are positive. In the fourth quadrant, x is positive and y is negative. Therefore, the negative functions in this quadrant are sin, tan, cot, and esc, and the positive ones are cos and sec. These results are summarized in the following table: * This and the following three formulas are numbered in relation to those in 17 which are identical. Trigonometric functions. 31 Angle = 0°-J0°. 90°-180°. 180°-270°. 270°-360°. Pity . + + — — cos. + — — + Brown. + — + — Cradle . + — + — sec. + — — + CSC . ++ –

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. Elements of plane and spherical trigonometry. , and esc is negative, and tan and cot are positive. In the fourth quadrant, x is positive and y is negative. Therefore, the negative functions in this quadrant are sin, tan, cot, and esc, and the positive ones are cos and sec. These results are summarized in the following table: * This and the following three formulas are numbered in relation to those in 17 which are identical. Trigonometric functions. 31 Angle = 0°-J0°. 90°-180°. 180°-270°. 270°-360°. Pity . + + — — cos. + — — + Brown. + — + — Cradle . + — + — sec. + — — + CSC . + + — — 24. Changes in sine value as angle increases. In the picture. 1-4, let us imagine a line, Fig. 14. CP rotates in the positive direction about C, as explained in § 2. Call the angle it makes with GA 0. Before CP starts rotating, it is aligned with CA and is said to make an angle of 0° with CA in this position. The value of y is then 0, and we have 0° = y o = 0. When CB reaches the position CP we have y = r and 0 = 90°. ii rsin 90° = — == — =1. Following the revolution of CP through the second quadrant, we find here that y continues to decrease, so }L or sin 6 decreases. When CP reaches position CAVr y = Q and 0=180°. 0 Sin means 180° = — = – 0. 32 PLANE TRIGONOMETRY. As the CP radius rotates by the third quadrant, y increases numerically but is negative, decreasing analogically. So in the third fourth, sin 6 decreases. When CP meets CBV y = —r and 0 = 270°. V —r sin 270° = — = = —1. r r decreases numerically as the radius CP rotates through the fourth quadrant, but, being negative, actually increases, so that sin d increases in the fourth quadrant. When CP meets CA, again y = 0 and 6 = 360°. y0sin360

### Solved] For What Quadrant(s) (on A Cartesian Plane) Is The Cotangent Ratio…

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