Question

^_^ please do it ^_^​

Answer 1

${\huge{\boxed{\underline{\underline{\orange{Answer}}}}}}$

$\small\bf{(a) \: Food \: maintains \: and \: saves \: life.}$

$\small\bf{(b) \: Food \: which \: is \: of \: poor \: quality \: and \: has \: harmful \: effect \: on \: the \: body.}$

$\small\bf{(c) \: Being \: civilised \: means \: – \: to \: know \: what \: is \: right \: and \: what \: is \: wrong.}$

$\small\bf{(d) \: Our \: lifestyle \: has \: pushed \: us \: away \: from \: nature.}$

$\huge\cal\red{HOPE}$ $\huge\cal\pink{IT}$ $\huge\cal\purple{HELPS}$ $\huge\cal\blue{YOU}$

Answer 2

The trigonometric ratios sin A, sec A, and tan A can be expressed in terms of cot A as 1/√(1+ cot2A), √(1+ cot2A)/cot A and 1/cot A respectively.