Question:
Is tan2theta=2tantheta(If the theta is equals to 45 degrees)?
Answer:
Given θ = 45
Now 2*tan θ = 2*tan 45
= 2*1 {since tan 45 = 1}
= 2
Again tan 2θ = tan (2*45)
= tan 90
= ∞
So, tan 2θ ≠ 2*tan θ
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