Question

4.
sin^2 75° - sin^2 15º =​

Answer 1

Answer:

Sin² 75° - sin² 15°

sin² (75-15)°

sin² 60°

3/4

Hope this helped you!!!

Answer 2

Answer:

sin²75°-sin²15°

=sin²(75-15)

=sin²60

=3/4

Hope this will help........