document.write( "Question 705674: given cos theta = 2/3 ans sin theta > 0 find:
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document.write( "sin theta = (sqrt(5))/2
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document.write( "tan theta = (sqrt(5))/6
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document.write( "cot theta =
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document.write( "sec theta =
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document.write( "csc theta = 3/(sqrt(5))\r
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document.write( "these are the ones I got already, can you check them and help me get cot and sec? Thank you!
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Algebra.Com's Answer #434686 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! given cos theta = 2/3 and sin theta > 0 find: \n" ); document.write( "all angles in quadrant I where cos and sin>0 \n" ); document.write( "let O=opposite side \n" ); document.write( "let A=adjacent side \n" ); document.write( "let H=hypotenuse \n" ); document.write( "given cos theta=2/3=A/H \n" ); document.write( "A=2, H=3 \n" ); document.write( "O=√(3^2-2^2)=√(9-4)=√5 \n" ); document.write( "sin theta =O/H=√5/3 \n" ); document.write( "tan theta =O/A=√5/2 \n" ); document.write( "cot theta =2/√5 \n" ); document.write( "sec theta =3/2 \n" ); document.write( "csc theta = 3/√5 \n" ); document.write( " |