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- Anonymous1 decade agoFavorite Answer
yes

- 1 decade ago
yep it is true! ...look at this

tanx^2=(sinx/cosx)^2 .... square root both sides u get tanx = sinx/cosx

still unsure?

Try any value for x lets say x=44

(tan44)^2 = (sin44/cos44)^2

both sides u get 0.932554809...

so there it is tan^2 = (sin/cos)^2

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Source(s): www.wolframalpha.com

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