**How do you find exact value of cos (pi/ 2)? Socratic**

Try reviewing these fundamentals first. Trigonometry Reference angle; Trigonometry Find the exact value of trigonometric ratios; Trigonometry ASTC rule in trigonometry (All Students Take Calculus)... 4/11/2013Â Â· directions say to find the exact value of this expression. Give answer in radians. please help. I am really confused.

**How to find exact value of it? MaplePrimes**

Related posts: Newsletter: Trig intro, exact values sine, puzzle, mobile What is trigonometry all about? Finding exact values for the sine of all angles, Teacher...... These formulas allow you to express the exact value of trigonometric expressions that you could not otherwise express. Consider the cos(15Â°). Unlike the cos(60Â°) which can be expressed as Â½, the cos(15Â°) cannot simply be represented as a rational expression.

**How do you use the half-angle identity to find the exact**

1 Use special right triangles to find the value. Since pi/4 = 45 degrees, use the special right triangle on the left. If you do the tan (pi/4), you do the (opposite)/(adjacent). According to â€¦... Question: How to find exact value of it? Tags are words are used to describe and categorize your content. Combine multiple words with dashes(-), and seperate tags with spaces.

**Find the exact value for cos 165Â° using the Half-Angle**

Try reviewing these fundamentals first. Trigonometry Reference angle; Trigonometry Find the exact value of trigonometric ratios; Trigonometry ASTC rule in trigonometry (All Students Take Calculus)... These formulas allow you to express the exact value of trigonometric expressions that you could not otherwise express. Consider the cos(15Â°). Unlike the cos(60Â°) which can be expressed as Â½, the cos(15Â°) cannot simply be represented as a rational expression.

## How To Find Trigonometry Exact Value

### How do you find the exact value of cos7pi/12 without

- Find the exact value for cos 165Â° using the Half-Angle
- Find the exact value for cos 165Â° using the Half-Angle
- How do you use the half-angle identity to find the exact
- Trigonometry find exact value arcsin(-âˆš3/2)? Yahoo Answers

## How To Find Trigonometry Exact Value

### These formulas allow you to express the exact value of trigonometric expressions that you could not otherwise express. Consider the cos(15Â°). Unlike the cos(60Â°) which can be expressed as Â½, the cos(15Â°) cannot simply be represented as a rational expression.

- Then, once you found your 2 missing values, plug them into the addition-angle identity.
- Find the exact value of trigonometric ratios - Trigonometric Ratios and Angle Measures
- Find the exact value of trigonometric ratios - Trigonometric Ratios and Angle Measures
- More Trigonometry Find the exact value of one trigonometric function given a point Find the exact value of six trigonometric functions given a point Gives quadrant and one trigonometric function Find the exact value for each trigonometric function Find the exact coordinates of a point on a circle

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