Mathematics, 13.04.2020 20:14 anayajae24
Given: a is an angle in the second quadrant, csc a= 25/7; B is an angle in the first quadrant, cos B= √2/2
The value of tan (a-b) =
Answer choices:
-31/17
29/17
15/17
-3/17
Answers: 3
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Given: a is an angle in the second quadrant, csc a= 25/7; B is an angle in the first quadrant, cos B...
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