2008 CSSA Question (1 Viewer)

Uzername · Aug 7, 2011

for this question (int. with respect to x):
$\int_{\frac{\sqrt[]{3}}{-2}}^{1} 2sec^{2}x$

the answer I get in degrees is 0.0651. However in the CSSA solutions booklet the answer is worked out in radians (5.466). Do I use degrees or radians for these integrations?

Hermes1 · Aug 7, 2011

Uzername said:
for this question (int. with respect to x):
$\int_{\frac{\sqrt[]{3}}{-2}}^{1} 2sec^{2}x$

the answer I get in degrees is 0.0651. However in the CSSA solutions booklet the answer is worked out in radians (5.466). Do I use degrees or radians for these integrations?

radians.

SpiralFlex · Aug 7, 2011

Uzername said:
for this question (int. with respect to x):
$\int_{\frac{\sqrt[]{3}}{-2}}^{1} 2sec^{2}x$

the answer I get in degrees is 0.0651. However in the CSSA solutions booklet the answer is worked out in radians (5.466). Do I use degrees or radians for these integrations?

$\int_{-\frac{\sqrt{3}}{2}}^{1}2\sec^2 x\: dx$

$=2\tan x$ With the limits.

$=5.466$ . You use radians.

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2008 CSSA Question (1 Viewer)

Uzername

B.S., M.S., M.A., Ph.D.

Hermes1

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SpiralFlex

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