(1-tana)/(1+tana)=(1+tanb)/(1-tanb),tana+tanb=?
From (1-tana) / (1 + Tana) = (1 + tanb) / (1-tanb), we can see that Tana + tanb = 0
RELATED INFORMATIONS
- 1. If a, B and C satisfy the absolute value of (A-1) + [2 (B-3)] + (C-4), the value of 2A + 3B + 4C is obtained
- 2. If the opposite number of a is the largest negative integer, B is the number with the smallest absolute value, and C is the smallest three digit positive integer, then ABC =?
- 3. It is known that AB is opposite to each other, CD is negative reciprocal to each other, X is the number with the smallest absolute value, and Y is the largest negative integer. Find 2009 (a + b) - (CD) 2-2y (CD) to the second power
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- 5. If a, B are opposite to each other, C, D are reciprocal to each other, and X is the negative integer with the smallest absolute value, then the value of the third power + (- CD) x + (a + b) of X is
- 6. It is known that a and B are opposite to each other, and a is not equal to 0, C and D are reciprocal to each other. The absolute value of M is the smallest positive integer. Find the square of M-B / A + 2014 / 2013( The value of a + b) - CD
- 7. It is known that a and B are opposite to each other, and a ≠ 0, CD is reciprocal to each other. The absolute value of M is the smallest positive integer. Find the value of a of M-B + 2013 (a + D) - CD
- 8. a. If B is opposite to each other, then C and D are negative reciprocal to each other, and M is an integer with absolute value of 2, find (a + b) · m + m * M-Cd Given that the sum of the opposite number of 2x-5 and 9-4X is 8, find the value of X X > 0, y < 0, the absolute value of X > the absolute value of Y, try to compare the size of X, y, - x, - Y Answer today! 1111
- 9. It is known that the opposite number of a is itself, the opposite number of B is the largest negative number, C is the smallest positive integer, D is the number with the smallest absolute value, and the value of a + B + C + D A. 2 B.3 c.0 D.1 E. cannot be calculated
- 10. Simplification: the absolute value of a + B - the absolute value of B-2 - the absolute value of C-A - the absolute value of 2-c. remember to simplify
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- 14. If √ 3sin α + cos α = 2 / 3, then cos (2 α + π / 3) is equal to
- 15. Proof: the square of a divided by B + C plus the square of B divided by a + C plus the square of C divided by a + B is greater than or equal to two parts of a + B + C
- 16. Calculation: how much is the square of a divided by B * 1 / b divided by c * 1 / C divided by D * 1 / D?
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- 18. Given that a and B are opposite numbers, C and D are reciprocal numbers, and the absolute value of X is 2, find the value of a + B + CDX + 2010 of 201x X is a multiplication sign It's a + B + CDX + 2010
- 19. Given that a and B are opposite numbers, C and D are reciprocal numbers, and the absolute value of X is 2, find the value of a + B + CDX + 2010 of 201x
- 20. It is known that a and B are opposite to each other, and they are not 0, C and D are reciprocal to each other, and the absolute value of X is 5?