**Find the exact value of sin(pi/24) So like i need like the**

Cosine The cosine (cos) of an acute angle in a right angled triangle is the ratio between the side adjacent to the angle and the hypotenuse of the triangle. Example 5 Use the cosine function to find the angle A giving your answer to the nearest degree .... sintheta=("-"7)/25 costheta=24/25 tantheta=("-"7)/24 cottheta=("-"24)/7 sectheta=1/24 csctheta=("-"1)/7 Let the point P(x,y) be on a circle of radius r centered at the origin and P is on the terminal ray of theta. Let the angle alpha be the the nonreflex angle from the positive x-axis that is coterminal with theta. theta terminates in Q"IV", so for point P, x is positive and y is negative

**SOLUTION whats the exact value of cos 15**

16/09/2017 · CORRECTION: at the end I forgot to divide by 2 both sides. Ans: cos^2(pi/8) = (sq rt 2 + 2)/4 Thanks to Herbert for pointing that out. Appreciate it.... In the triangle shown below, find the value of x, = s = 24.50726384... r = 35, s = 25. Note: Since the sine and cosine ratios involve dividing a leg (one of the shorter two sides) by the hypotenuse, the values will never be more than 1,

**Mathway Find the Exact Value cos(165)**

I know the exact values for the cosine of 30° and 45°, and 75° = 30° + 45°, so I'll use the angle-sum identity to compute this value "exactly": You can check your answers to this sort of exercise by plugging each of the trig expression and the "exact" expression into your calculator. how to get rid of dandruff in your hair The value is in the form of nested square roots as I gave above. E.g. there also exists an expression for cos(2 pi/17) and sin(2 pi/17), see here:

**INVERSE TRIGONOMETRIC EQUATION? Yahoo Answers**

You can put this solution on YOUR website! How do i find the exact value of the product cos[5pi/24] sin[11pi/24] *** Identity: sin[11pi/24]cos[5pi/24]= how to find a job online Precalculus. Find the Exact Value cos(165) First, split the angle into two angles where the values of the six trigonometric functions are known. In this case, can be split into . Use the sum formula for cosine to simplify the expression. The formula states that . The exact value of is . Simplify . Tap for more steps... Apply the reference angle by finding the angle with equivalent trig

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### SOLUTION whats the exact value of cos 15

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## How To Find The Value Of Cos 24

In the triangle shown below, find the value of x, = s = 24.50726384... r = 35, s = 25. Note: Since the sine and cosine ratios involve dividing a leg (one of the shorter two sides) by the hypotenuse, the values will never be more than 1,

- 6/05/2011 · Find out why Close. Easy Trick to Find Exact values for sin cos tan. REACH. Loading... Unsubscribe from REACH? Cancel Unsubscribe. Working... Subscribe Subscribed Unsubscribe 28K. Loading
- 1/06/2007 · should i use the formula cos 2theta = 2 cos^2 theta -1 ? and using the value cos 45 =1/sqrt(2) i need a easy way to find the value . is there other way to find value of cos 22.5 degree without direct formula ?
- I know the exact values for the cosine of 30° and 45°, and 75° = 30° + 45°, so I'll use the angle-sum identity to compute this value "exactly": You can check your answers to this sort of exercise by plugging each of the trig expression and the "exact" expression into your calculator.
- One can exploit this property to predict a very close approximate for any sin/cos value between 0 and 90 degrees. The thing about straight line graphs is that the y values increase at a uniform rate with increase in x values.