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RD SHARMA ENGLISH-TRIGONOMETRIC IDENTITIES-All Questions
- Prove: cot^2A cos e c^2B-cot^2B cos e c^2A=cot^2A-cot^2B .
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- Prove: tan^2Asec^2B-sec^2Atan^2B=tan^2A-tan^2B
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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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