Assume that 0 < x < pi/2 and 0 < y < pi/2. Find the exact value of tan(x + y) if csc x = 5/3 and cos y = 5/13

The Answer is D. -63/16

constant acceleration- a

constant velocity- c

no velocity or acceleration- b

explanation:

for body moving with a constant acceleration, the rate of change of displacement changes over time. this is proven by the increasing gradient of the curve (a) against time.

a body that is moving at constant velocity covers equal distances over equal periods of time, thus the straight line with a constant gradient c.

a stationary body   covers no displacement as time elapses. thus the flat line with   zero gradient.

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step-by-step explanation: