Posted by lindsay on Tuesday, April 2, 2013 at 2:56pm.
find the exact value of [sec(30 degrees) cot 120 degrees]/1cosec^2(45 degrees)
Find the exact value of [sin^2(355 degrees) + cos^2 (355 degrees)]/ tan^2 (30 degrees)

math  Anonymous, Tuesday, April 2, 2013 at 6:21pm
sin^2 + cos^2 = 1, so you have
1/tan^2(30) = 1/3
for the other, plug in the values. recall that 1csc^2 = cot^2, so the bottom is just 1
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