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OpenStudy (anonymous):
What is the equation of a line tangent to y= sin x + cos x at ( pi/2,1) ?
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OpenStudy (anonymous):
-1
OpenStudy (anonymous):
is the gradient
OpenStudy (ksaimouli):
what math r uin
OpenStudy (anonymous):
Calculus
OpenStudy (ksaimouli):
bc or ab which grade r u in plz iam curious to know
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OpenStudy (anonymous):
BC junior
OpenStudy (ksaimouli):
wow ru in collage
OpenStudy (anonymous):
not yet
OpenStudy (ksaimouli):
high school
OpenStudy (anonymous):
mhm
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OpenStudy (anonymous):
\[y \prime = cosx - sinx ,,, => \cos(\pi/2) = 0 , sinx (\pi/2) = 1\] so the answer is -1
OpenStudy (anonymous):
thank you
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