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Why is Tan 135? = - Tan 45 What is the meaning of Tan 135? = Tan (180-45?) = - Tan 45? ··········································································
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RELATED INFORMATIONS
- 1. have you heard of the story of holy?it ( )like this:there is a king who... a. Tell b.comes c.goes d.says
- 2. English translation This is an article I wrote about my dead dog and one of my brothers. But I can't understand it. Please
- 3. English translation If not, what the hell can be translated as what the hell is
- 4. The signs of a rush cycle of sunpot A flesh cycle of
- 5. you are the rid of my rid you are the flesh of my flesh
- 6. What do breaking bonds and making bonds mean in chemistry?
- 7. Is it possible to use all nouns, such as the lives is of mystery to the poor would it be of real benefit to me? Do nouns have to have adjective forms to use this sentence pattern?
- 8. Overneath the Path of Misery
- 9. For explanation, please refer to the details in the post The grandeur of the landscape has been marred by the mistake of the mistake, right?
- 10. Make it,in the name of
- 11. A regular n prism has 18 edges. One side edge is 10cm long and the other side is 5C long. What is the side area of this edge?
- 12. The circumference of a semicircle is 15.42 meters, and its radius is______ Rice
- 13. Practical problems and test questions of linear equation with one variable
- 14. As shown in the figure, the radius of the fan-shaped paper is 15cm, the center angle is 120 ° and it is used to make the side of a cone model. Calculate the height and side area of the cone (regardless of the loss at the joint, the result retains the root sign)
- 15. How to find the instantaneous velocity of the first point How to find the instantaneous speed of the first point in a certain period after the learning clock in grade one of senior high school?
- 16. Third grade math problem with 24 side length is 1 cm small square put together into a rectangle, this rectangle circumference is how many centimeters?
- 17. Given the image of quadratic function y = AX2 + BX + C, we try to explain the symmetry axis of this function image when x = 2 through a (0, a) B (1, - 2A) It is known that the image of quadratic function y = AX2 + BX + C passes through a (0, a) B (1, - 2A) (1) Try to explain the symmetry axis of this function image when x = 2; (2) Based on the available information, can you find the analytic expression of quadratic function in the title? (1) Ask already know
- 18. As shown in the figure, two identical right triangles are stacked together to find the area of the shadow part. (unit: cm)
- 19. (1) 14700-14700 △ 28 + 825; & nbsp; & nbsp; & nbsp; & nbsp; (2) (3400 + 2856 △ 84) △ 34
- 20. Find the equation of the circle whose center C is on the straight line x + 2Y + 4 = 0 and passes through two points a (- 1,1), B (1, - 1)