125․ 0° 0 30° (π)/(6) 45° (π)/(4) 60° (π)/(3) 90° (π)/(2) 120° (2π)/(3) 135° (3π)/(4) 150° (5π)/(6) 180° π sinα 0 (π)/(12) (√2π)/(8) (√3π)/(6) (π)/(2) (√3π)/(3) (3√2π)/(8) (5π)/(12) 0 cosα 0 (√3π)/(12) (√2π)/(8) (π)/(6) 0 -(π)/(3) (3√2π)/(8) -(5√3π)/12 -π tgα 0 (√3π)/(18) (π)/(4) (√3π)/(3) 0 -(2√3π)/3 -(3π)/(4) -(5√3π)/18 0 ctgα 0 (√3π)/(6) (π)/(4) (√3π)/(9) 0 […]
140 ա)a=(3π)/(4) a=(3π)/(4)=3*(180)/(4)=(540)/(4)=135º բ) a=(5π)/(4) a=(5π)/(4)=5*(180)/(4)=(900)/(4)=225º գ) a=-(π)/(10) a=–(π)/(10)=–(180)/(10)=-18º ե) a=1,5π a=1,5*π=1,5*180=270º զ) a=(11π)/(6) a=(11π)/(6)=11*(180)/(6)=(1980)/(6)=330º 144 ա) cosa>0, tga>0 a-ն 1-ին քառորդում է բ) cosa<0, ctga>0 a-ն 3-րդ քառորդում է գ) sina>0, tga<0 a-ն 2-րդ քառորդում է դ) ctga<0, cosa<0 a-ն 2-րդ քառորդում է ե) sina<0, cosa>0 a-ն 1-ին քառորդում է զ) cosa>0, tga<0 a-ն […]
1.We (cook) right now. We are cooking right now. Are we cooking right now? We aren’t cooking right now. 2…you(study) at the moment? Are you studying at the moment? You are studying at the moment. You are not studying at the moment. 3.It (not rain) right now. It isn’t raining right now. Is it raining […]
