Question

Evaluate- sin35°sin55°- cos35°cos55°

Answer 1

Answer:

$\huge\underline\bold\red{answer!!}$

$<font color="blue">$ Given Equation is sin35sin55 - cos35 cos55.

sin35 sin(90 - 35) - cos 35 * cos(90 - 35)

sin35 * cos 55 - cos 35 * sin35

-cos(35 + 55)

-cos(90)

0.

Answer 2

Answer:

answer is 0...........