Question

21. Evaluate : (cos 450 ) /(sec 300 + cosec 300).​

Answer 1

Answer:

sin300=1/2,tan450=1,cosec600=2/√3,sec300=2/√3,cos600=1/2,cot450=1 then the solution is

1/2+1-1/2+2/√3+2/√3+1/2+1 = 8+5√3/2√3

Answer 2

Answer:

√3/(√2(2+2√3))................ .............