If tan 2A = cot (A - 18°); find the value of A.
Ο
Ο 18°
Ο
Ο 72°
Ο
Ο 36°
Ο
Ο 45°
Lwkylokesh:
here they asked tan2A
2 doesn't have any effect
Tan 2A = cot (90- 2A)
As Tan theta = cot 90- theta
so then it ll be cot(90-2A)=cot(A-18) ah?
Y3ah
Yeah
And 90-2A = A -18
thanks bhoomi...
Wlcm
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Here is your answer
The answer is 72
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Answer:
tan 2A=tan 18
2A=18
A=9
worng
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