Question

value of cos1°

plz tell me fast ...its urgent​

Answer 1

If ‘1’ is in radians then:—

We know: “π(pi)”

π rad=180°;

1 rad=(180°/π);

NOW,

cos1 = cos(180°/π);

cos1= cos(57.2957795);

cos1= 0.5403023059;

Result: cos1 = 0.5403023059

Answer 2

if‘1’ is in radians then:—

We know: “π(pi)”

π rad=180°;

1 rad=(180°/π);

NOW,

cos1 = cos(180°/π);

cos1= cos(57.2957795);

cos1= 0.5403023059;

Result: cos1 = 0.5403023059