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RD SHARMA-TRIGONOMETRIC RATIOS-All Questions
- If A=30o and B=60o , verify that sin(A+B)=sinAcosB+cosAsinB (ii) c...
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- Using the formula of sin(A-B)=sinAcosB-cosAsinB find the value of sin1...
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- In a right triangle A B C , right angled at C , if /B=60o and A ...
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- If /\A B C is a right triangle such that /C=90^@ , /A=45^@ and B C=7...
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- In a rectangle A B C D ,\ \ A B=20 c m ,\ \ /B A C=60o , calculate ...
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- If sin(A+B)=1 and cos(A-B)=1,\ \ 0o<A+Blt=90o , AgeqB find A and B .
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- If tan(A-B)=1/(sqrt(3)) and tan(A+B)=sqrt(3) , 0^@ < A+B lt= 90^@, A >...
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- If sin(A-B) = 1/2 and cos(A+B) = 1/2, 0^@ < A+B < 90^@ and A>B, then f...
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- In a /\A B C right angled at B , /A=/C . Find the values of (i) si...
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- If A and B are acute angles such that tanA=1/2 , tanB=1/3 and tan(A...
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- In /\P Q R , right-angled at Q ,\ P Q=3c m and P R=6c m . Determine ...
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- Evaluate the following: (i) (cos80o)/(sin10o)+cos59o\ cos e c\ 31o ...
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- Evaluate the following: (i) sec50osin40o+cos40o\ cos e c\ 50o (ii)...
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- Prove that: (i) sin35osin55o-cos35ocos55o=0 (ii) (cos70o)/(sin20o)...
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- Express each of the following in terms of trigonometric ratios of a...
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- Express each of the following in terms of trigonometric ratios of a...
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- Evaluate the following: (i) ((sin35o)/(cos55o))^2+((cos55o)/(sin35o...
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- Evaluate: ((sin47o)/(cos43o))^2+((cos43o)/(sin47o))^2-4cos^2 45o
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- If A ,\ B ,\ C are the interior angles of a triangle A B C , prove ...
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- Dind theta; if sin(theta + 36^@) = cos theta; where theta + 36 is an ...
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