Question

A plant having a hook-like structure on the seeds is sandspur.​

Answer 1

Answer:

lool

Explanation:

Answer 2

Explanation:

Two forces of magnitudes k cos A and k cos B act along CA, CB of a triangle ABC . Prove that their resultant is k sin C. (B.Sc.86 Calicut; B.Sc. 79, 8 M.K.U.) [Hint:- Use the result that in a triangle cos^ 2 A+cos^ 2 B+cos^ 2; C=1-2 cos A cos B cos C]