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RD SHARMA ENGLISH-TRIGONOMETRIC RATIOS-All Questions
- If tanA=1 and tanB=sqrt(3),e v a l u a t ecosAcosB-sinAsinBdot
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- Evaluate each of the following: cos(40^0-theta)-sin(50^0+theta)+(cos^2...
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- If s e c4A=cos e c(A-20^@) , where 4A is an acute angle, find the ...
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- Evaluate each of the following: (a) cos(40^0-theta)-sin(50^0+theta)...
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- Evaluate : 4(sin^4 30^0+cos^4 60^0)-2/3(sin^2 60^0-cos^2 45^0)+1/2tan...
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- Evaluate : (sin50^0)/(cos40^0)+(cos e c40^0)/(sec50^0)-4cos50^0cos e ...
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- Evaluate : tan35^0tan40^0tan45^0tan50^0tan55^0
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- Evaluate : cos e c(65^0+theta)-sec(25^0-theta)-tan(55^0-theta)+cot(...
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- Evaluate : tan7^0tan23^0tan60^0tan67^0tan83^0
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- Evaluate : (2sin68^0)/(cos22^0)-(2cot15^0)/(5tan75^0)-(3tan45^0tan20^...
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- Evaluate : ((3cos55^0) / (7sin35^0))-(4/7)(cos70^0cos e c20^0)/(tan5^0...
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- Prove the following: (cos(90^0-theta)sec(90^0-theta)t a ntheta)/(cosec...
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- Prove the following: (tan(90^0-A)cotA)/(cos e c^2A)-cos^2A=0
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- Prove the following: sinthetasin(90^0-theta)-costhetacos(90^0-theta)=...
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- In a /\A B C , right angled at B , if A B=4 and B C=3 , find all t...
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- In a /\A B C , right angled at B , if A B=12 and B C=5 , find: (i) ...
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- If sinA=3/5 , find cosA and tanA .
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- If costheta=8/(17) , find the other five trigonometric ratios.
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- In a right triangle A B C right angled at B, if sinA=3/5 , find a...
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- If sinA=1/3, evaluate cosA\ cosec\ A+tanAsecA.
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