Question

If cot A = 7 , then the value of
​

Answer 1

Step-by-step explanation:

COT a = √7

tana = 1/√7

tan sqare a + 1 equals sec square a

cot square a. + 1 equals cosec square a

there substitute in sum

[(1 + 7 )minus (1 + 1/7).] ÷ [( 1+7) plus (1+ 1/7)]

8 - 8/7. ÷. 8 + 8/7

56-8/7. ÷ 56+8/7

therefore 48/64

12/16

therefore 6/8

hence 3/4