Question

sin15° sec 75°
I am not taking help,I am taking explnation I am junior 10 I am complete 10chapters now I am in trigonometry.any one can explain the question with solution. ​

Answer 1

Answer:1

Step-by-step explanation:

You can take either solution

Based on how much you wanna know

Answer 2

Answer:

1

Step-by-step explanation:

sin15°sec75°

=> sin15°(1/cos75°)  [∵ secФ = 1/cosФ]

=> sin15°/cos75°

=> sin15°/cos(90° - 15°)

=> sin15°/sin15° [ ∵cos(90° - 15) =sin 15°]

=> 1

Hope it helps!