Question

If tan (5x ­- 10°) = cot (5y + 20°), then the value of x + y is

A) 15° B) 16° C) 22.5° D) 24°

Answer 1

Answer:

16

Step-by-step explanation:

tan45 =cot45

5x - 10 = 45 and 5y +20 = 45

x = 11 and y = 5

x + y = 16

Answer 2

Answer:

Step-by-step explanation:

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