Home
Class 11
MATHS
If a=6 , b=5 ,c=9 then angle A ....

If a=6 , b=5 ,c=9 then angle A .

Text Solution

Verified by Experts

The correct Answer is:
`cos^(-1) ((7)/(9))`
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF TRIANGLES

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise TEXTUAL EXERCISES ( EXERCISE - 10(a) ) I.|12 Videos

  • PROPERTIES OF TRIANGLES

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise TEXTUAL EXERCISES ( EXERCISE - 10(a) ) II.|14 Videos

  • PRODUCT OF VECTORS

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise SOLVED PROBLEMS|46 Videos

  • STRAIGHT LINE

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise TEXTUAL EXERCISES (EXERCISE-3(e)) |32 Videos

Similar Questions

Explore conceptually related problems

If a=4,b=5,c=6 then

If a,b,c be unit vectors such that a.b = a.c = 0 and the angle between b and c is pi//6 then a =

If Delta ABC is such that angle A = 90 ^(@) , angle B ne angle C " then " ( b^(2) + c^(2))/( b^(2) - c^(2)) sin ( B- C) =

If angle (a) : angle (b) = 2 : 3 then angle(c) = ____

If the locus of the point P such that are of Delta PAB is 12 sq unit where A = (2, 3 ) , B = ( -4, 5 ) is x ^ 2 + 6xy + 9y^ 2 + ax + by + c = 0 then ascending order of a, b, c is