Find exact value of tan for different quadrants
Assume sina=4/5 for the quadrant II angle a and sinB=1/2 for the quadrant I angle B. Find exact value of following:
a. cos (a + B)
b. sin (a + B)
c. tan (a + B)
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Assume sina=4/5 for the quadrant II angle a and sinB=1/2 for the quadrant I angle B. Find exact value of following.
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