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Step by step text solution for In a DeltaA B C right angled at C , if tanA=1/(sqrt(3)) , find the value of sinAcosB+cosAsinBdot by MATHS experts to help you in doubts & scoring excellent marks in Class 10 exams.
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RD SHARMA-TRIGONOMETRIC RATIOS-All Questions
- In a DeltaA B C right angled at C , if tanA=1/(sqrt(3)) , find the...
02:54
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- The altitude A D of a Delta A B C , in which /A obtuse and, A D=10c...
03:33
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- A rhombus of side 20cm has two angles of 60^0 each. Find the length of...
03:43
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- A B C is a right triangle, right angled at Cdot If A=30^0a n dA B=40 u...
04:06
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- Evaluate the following: (cos37^0)/(sin53^0)
03:27
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- Find acute angles Aa n dB , if sin(A+2B)=(sqrt(3))/2a n dcos(A+4B)=0,A...
02:20
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- In an acute angled triangle A B C , if tan(A+B-C)=1 and ,sec(B+C-A)=2,...
04:50
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- If each of alphabetaa n dgamma is a positive acute angle such that s...
03:06
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- In a A B C , right angled at A , if A B=12 ,A C=5a n dB C=13 , find a...
01:30
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- If cosB=1/3, find the other five trigonometric ratios.
01:43
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- In a A B C , right angled at A , if A B=5,A C=12a n dB C=13 , find si...
01:25
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- If sintheta=(a^2-b^2)/(a^2+b^2) , find the values of other five trigo...
03:19
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- If cos e cA=sqrt(10), find other five trigonometric ratios.
01:59
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- If tanA=sqrt(2)-1 show that sinAcosA=(sqrt(2))/4
03:33
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- If cos e cA=2, find the value of 1/(tanA)+(sinA)/(1+cosA)
02:19
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- Evaluate the following: sin39^0-cos51^0
04:17
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- The value of (tan55^0)/(cot35^0)+cot1^0cot2^0cot3^0cot90^0,i s -2 (b)...
02:01
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- If A + B is 90^@, then ( tan A. tan B + tan A. cot B)/ (Sin A. Sec B)...
02:48
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- If (xcos e c^2 30^0sec^2 45^0)/(8cos^2 45^0sin^2 60^0)=tan^2 60^0-tan^...
01:47
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- The value of (cos(90^0-theta)sec(90^0-theta)tantheta)/(cos e c(90^0-t...
01:13
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