Question

if cot =15/8 , evaluate (2+2sin)(1-sin) / (1-sin) (1+sin)






explain step by step ​

Answer 1

Answer:

cot=adj/opp=15/8

so, adj=15

opp=8

so, hypotenuse=√(15^2+8^2)= 17

sin=opp/hyp=8/17

(2+2sin)(1-sin)/(1-sin(1+sin) =2+2(8/17)/1+8/17

=> (38+16)/17/(17+8)/17

=> 54/25