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If a=sqrt(3),b=1/2(sqrt(6)+sqrt(2))dot a...

If `a=sqrt(3),b=1/2(sqrt(6)+sqrt(2))dot` and `c=2,` then find `/_A`

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CENGAGE ENGLISH-TRIGONOMETRIC FUNCTIONS-All Questions
  1. In A B C , prove that (a-b)^2cos^2C/2+(a+b)^2sin^2C/2=c^2dot

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  2. If the angles A,B,C of a triangle are in A.P. and sides a,b,c, are in ...

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  3. If a=sqrt(3),b=1/2(sqrt(6)+sqrt(2))dot and c=2, then find /A

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  4. In a scalene triangle A B C ,D is a point on the side A B such that C ...

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  5. In a "DeltaA B C","\ "/"C"=60"\ "&\ /A=75. If D is a point on A C such...

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  6. In a triangle A B C ,/A=60^0a n db : c=(sqrt(3)+1):2, then find the va...

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  7. A tower subtends angles alpha,2alpha,3alpha respectively, at point A ,...

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  8. In a triangle, if the angles A , B ,a n dC are in A.P. show that 2cos1...

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  9. If in a triangle A B C ,/C=60^0, then prove that 1/(a+c)+1/(b+c)=3/(a+...

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  11. If in triangle A B C , the median A D and the perpendicular A E from t...

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  12. If pa n dq are perpendicular from the angular points A and B of A B C...

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  13. The two adjacent sides of a cyclic quadrilateral are 2 and 5 and the a...

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  14. In a circle of radius r , chords of length aa n dbc m subtend angles t...

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  17. Given the base of a triangle, the opposite angle A, and the product k^...

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  18. In any /\ A B C , prove that (b^2-c^2)cotA+(c^2-a^2)cotB+(c^a-b^2)cot...

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  19. In triangle ABC, angle A is greater than angle B. If the measure of an...

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  20. In triangle A B C ,a : b : c=4:5: 6. The ratio of the radius of the ci...

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