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wach
 2 years ago
Some simple inverse trig functions. Can you check my answers?
1. sin(tan^1 4/30 = 3/5
2. sin^1(sin(5pi/4) = pi/4
wach
 2 years ago
Some simple inverse trig functions. Can you check my answers? 1. sin(tan^1 4/30 = 3/5 2. sin^1(sin(5pi/4) = pi/4

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EulerGroupie
 2 years ago
Best ResponseYou've already chosen the best response.1Assuming that 0 is a parenthesis in 1) dw:1349413412829:dwthe sine is opp/hyp which is 4/5

EulerGroupie
 2 years ago
Best ResponseYou've already chosen the best response.12) looks good though

wach
 2 years ago
Best ResponseYou've already chosen the best response.0Oh, right. Because tan inverse exists only in the 4th and 1st quadrant, thus it's 4 instead of 3. Ok. Cool, makes sense. Thanks! :)
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