If a and b are in Quadrant II and cos a = - 3/5 and sin b = 5/13 find exact values of tan(a + b)

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i really dont know

step-by-step explanation:

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,