If cos theta = 2 tan theta, what is the numerical value of cos square theta? a)-2-2sqrt2 b)-2+2sqrt2 c)-1-sqrt3 d)none. please explain
Asked by sumandeesinghrana
| 14th Oct, 2010,
08:06: PM
Expert Answer:
Answered by
| 15th Oct, 2010,
10:50: AM
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