tan(135°) find the value
Answers
Answered by
2
Answer:
your answer is _
-1 okkkkk
Answered by
1
Answer:
tan(90+¢)°= -cot(¢)°
Also,
cot(-¢)° = -cot(¢)°
So, I can write tan135° as tan(90+45)°
if we put this in formula we will get:-
tan(90+45)° = -cot(45)° =-1, because cot(45)°=1
So, tan(135)° =-1
Second way:-
tan(180–¢)°=-tan(¢)°
Also,
tan(¢)° = -tan(¢)°
So, I can write tan135° as tan(180-45)°
If we put thia in formula we will get:-
tan(180–45)° = -tan(45)° = -1, because tan(45)° =1
So, tan(135)°=-1
In both the cases we got answer as 1.
Thanks!
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