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April 18, 2015

April 18, 2015

Posted by **Jane** on Wednesday, April 29, 2009 at 8:27pm.

cos A = 0.1 (84.3 degrees)

sec D = 1.8 (65.3 degrees)

That is all it gives :(

How would I go about solving this?

- trig -
**Chris**, Wednesday, April 29, 2009 at 10:38pmcos A = .1

In your calculator type in:

cos^-1(.1)

and for sec D:

1. 1/cos D = 1.8

2. 1.8 Cos D = 1

3. 1/1.8 = Answer

4. cos^-1 (Answer from step 3)

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