Question

Evalute sin 30degree divided sin260degree+cos260degree

Answer 1

Answer:

$\huge\blue {\mathfrak{Bonjour Mate!}}$

=> sin60.cos30 + sin30.cos60

using trigonometric identity

=> sinA.cosB + cosAsinB = sin(A+B)

then

=> sin60.cos30 + cos60.sin30

=> sin(60+30)

=> sin90 = 1

-_________[ANSWER