Question

1+sina=...................................

Answer 1

$\displaystyle1+\sin\alpha = \int\limits_{-\pi/2}^\alpha\cos t \mathrm{d}t$

Answer 2

The expression 1 + sin(a) does not simplify to a specific numerical value without knowing the value of the angle 'a'. The result depends on the angle in question.

If you have a specific angle in radians or degrees, you can calculate the value of 1 + sin(a) by substituting that angle into the equation. For example, if 'a' is 30 degrees, you would calculate:

1 + sin(30 degrees) = 1 + 0.5 = 1.5

If you have a specific angle you'd like to evaluate, please provide that angle, and I can calculate the result for you.