Alejandro W.

asked • 03/22/18

trig exercise of sums and differences identities

If cosα=0.891 and cosβ=0.577 with both angles’ terminal rays in Quadrant-I, find the values of tan(α+β)
Your answers should be accurate to 4 decimal places.

please help, thanks!

1 Expert Answer

By:

Bobosharif S. answered • 03/22/18

Mathematics/Statistics Tutor

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