Projection Formula
Trending Questions
Q. find the domain and range of y=\sqrt{x^2-3x+2
Q. 19. Point of contact of line y x+4\sqrt2 to the circle x^2+y^2=16 i
Q. 22. If P and Q are represented by the complex numbers z1 and z2 such that |1/z1 +1/z2| =|1/z1 -1/z2| then circumcentre of Triangle OPQ where O is origin is
Q. { If }\vert z-2-3i\vert+\vert z+2-6i\vert=4, i=\sqrt{-1}, then }}{ locus of }z is
Q. Q. }23 If the lines }ax^2+2hxy+ay^2=0 and }x+y=7 form a triangle, then the triangle is }(a≠0)
Q. The type of triangle formed by the co-ordinates (0, 8/3) (1, 3) (82, 30) is
Q.
In a ΔABC, side b is equal to
c Cos A + a cos C
a cos B + b cos A
b cos C + c cos B
None of these
Q. In △ ABC, cosec A(sin B cos C + cos B sin C) =
- c/a
- a/c
- 1
- c/ab
Q. \sqrt{2+x-x^2}>x-
Q. 12. Find dy/dx using first principle and verify : root [cot(x+2)]
Q. The lengths of the sides of a right triangle are the integers a, c and c and these integers have no common factor. If a
View SolutionQ. In triangle ABC, (b+c)cos A + (c+a) cos B + (a+b) cos C = [MP PET 1985]
- \N
- 1
- a + b + c
- 2(a+b+c)
Q. If in a triangle r1=2r2=3r3 than a/b+b/c+c/a is
Q. If n(A) = 20, n(B) = 10, and if a ≤ n(A △ B) ≤ b where a, b ∈ I +, then a + b is equal to
Q.
cos 2a + cos 2b + cos 2c = -1 + k cos a cos b cos c. Find the value of k.
Q. the whole sqrt x-sqrt x^2-1 find domain
Q. 32. f(x)=\sqrt{(\operatorname{sinx+\operatorname{cosx)^2-1