I have absolutely no idea what to do here. Please help.

for -180˚ ≤ Ө ≤ 180˚, solve

1) tan^2 3Ө= 1

for 0˚ ≤ Ө ≤ 360˚, solve

2) 2sin^2 Ө = cos3Ө

thanks Ө= theta

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- Feb 3rd 2008, 09:40 AMlra11Trigonometric functions
I have absolutely no idea what to do here. Please help.

for -180˚ ≤ Ө ≤ 180˚, solve

1) tan^2 3Ө= 1

for 0˚ ≤ Ө ≤ 360˚, solve

2) 2sin^2 Ө = cos3Ө

thanks Ө= theta - Feb 3rd 2008, 10:26 AMearboth