Question

if cosQ = -4/5 (90<Q<180) find sinQ , tanQ , secQ and cosecQ.​

Answer 1

Step-by-step explanation:

cosQ = -4/5 = Base/Hypotenus

so by Pythagoras Theoram, Perpendicular is 3

it is given that (90<Q<180) so Q belongs to 2nd quadrant and value of sin and cosec is positive rest all are negative in 2nd quadrant

sinQ = 3/5

cosecQ = 5/3

tanQ = -3/4

secQ = -5/4

Answer 2

this is your answer

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