If cos e c\ theta+cottheta=m and cos e c...

If `cos e c\ theta+cottheta=m` and `cos e c\ theta-cottheta=n` , prove that `m n=1`

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RD SHARMA ENGLISH-TRIGONOMETRIC IDENTITIES-All Questions

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If 3sintheta+5costheta=5, then show that 5sintheta-3theta=+-3.
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If cos e c\ theta+cottheta=m and cos e c\ theta-cottheta=n , prove ...
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If cosA+cos^2A=1, find the value of sin^2A+sin^4A.
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Prove that: sqrt((sectheta-1)/(sectheta+1))+sqrt((sectheta+1)/(secthet...
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Prove that sqrt((1+sintheta)/(1-sintheta))+sqrt((1-sintheta)/(1+sinthe...
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Prove that sqrt((1+costheta)/(1-costheta))+sqrt((1-costheta)/(1+costhe...
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Prove that: (sectheta-1)/(sectheta+1)=((sintheta)/(1+costheta))^2
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Given that: (1+cosalpha)(1+cosbeta)(1+cosgamma)=(1-cosalpha)(1-cosbeta...
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If x=asecthetacosvarphi,\ \ y=bsecthetasinvarphi and z=ctantheta , sho...
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If sintheta=3/5 , find the values of other trigonometric ratios.
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If cottheta=9/(40) , find the values of cos e c\ theta and sectheta...
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If costheta=1/2 , find the value of (2sectheta)/(1+tan^2theta)
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If tantheta=(12)/5 , find the value of (1+sintheta)/(1-sintheta)
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If sintheta=3/5 , find the value of (tantheta+sectheta)^2
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If tantheta=3/4 , find the value of (1-costheta)/(1+costheta)
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If costheta=3/5 , find the value of cottheta+cos e c\ theta .
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If sintheta+costheta=sqrt(2)sin(90^@-theta) , determine cottheta .
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If tantheta=1/(sqrt(7)) , find the value of (cos e c^2theta-sec^2th...
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If tantheta+cottheta=2 , find the value of tan^2theta+cot^2theta .
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