Work sheet of Trigonometric ratios
1.If tantheta=20/21 show that 1-sintheta+costheta/1+sintheta+costheta=3/7
2.Ifsin theta =a/b find sectheta+tantheta in terms of a and b
3.If 8tanA=15,find sinA-cosA.
4.If costheta=12/13,show that sin theta(1-tan theta)=35/156
5.If 15cotA=8,find sinA and SecA
6.If tan theta=a/b,find the value of costheta+sintheta/costheta-sintheta
7.If cot theta=1/√3,show that1-cos^2theta/2-sin^2theta=3/5
8.If sectheta=13/5,show that 2sintheta-3costheta/4sin theta-9cos theta=3
9.If 3cotA =4 check whether 1-tan^2A/1+tan^2A=cos^2A-sin^2Aor not.
10.If SinA=9/11,computeCosAand tanA
1.If tantheta=20/21 show that 1-sintheta+costheta/1+sintheta+costheta=3/7
2.Ifsin theta =a/b find sectheta+tantheta in terms of a and b
3.If 8tanA=15,find sinA-cosA.
4.If costheta=12/13,show that sin theta(1-tan theta)=35/156
5.If 15cotA=8,find sinA and SecA
6.If tan theta=a/b,find the value of costheta+sintheta/costheta-sintheta
7.If cot theta=1/√3,show that1-cos^2theta/2-sin^2theta=3/5
8.If sectheta=13/5,show that 2sintheta-3costheta/4sin theta-9cos theta=3
9.If 3cotA =4 check whether 1-tan^2A/1+tan^2A=cos^2A-sin^2Aor not.
10.If SinA=9/11,computeCosAand tanA
