Mathematics
Prove that:{( cot A + tan A − 1) ( sin A + cos A)} / sin^3 A + cos^3 A = secA × cosecA
Related Questions
The first term of an Arithmetic Progression (A.P.) is 5, the last term is 50 and their sum is 440. Find:
(a) the number of terms
(b) common difference
It is given that (x − 2) is a factor of polynomial 2x3 − 7x2 + kx − 2.
Find:
(a) the value of ‘k’.
(b) hence, factorise the resulting polynomial completely.