Question

if Cosx=-3/5
x lies in 3rd quadrant, find the value of tanx​

Answer 1

Answer:

cosx = -3/5 so so b=3 H=5 so,P=4

so, tanx=p/b

i.e. tanx=4/3

and postive value because tanx and cot x are postive in 3rd quadrant...

Step-by-step explanation:

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