is tan^2(theta) = tan(theta) * tan(theta)?
回答 (3)
2016-02-11 3:39 pm
L.H.S.
= tan²θ
= (tanθ)²
= tanθ × tanθ
= R.H.S.
Thus, tan²θ = tanθ × tanθ
= tan²θ
= (tanθ)²
= tanθ × tanθ
= R.H.S.
Thus, tan²θ = tanθ × tanθ
2016-02-11 5:04 pm
yes
2016-02-11 4:53 pm
tan^2(x) = tan(x) * tan(x)
and tan^4(x) = tan(x) * tan(x)* tan(x) * tan(x)
and tan^4(x) = tan(x) * tan(x)* tan(x) * tan(x)
收錄日期: 2021-04-20 16:13:48
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