What is the value of sin2a + cos2a + sec2a-tan2a Please

Question

What is the value of sin2a + cos2a + sec2a-tan2a
Please

in progress 0
Amelia 2 months 2021-10-12T03:21:33+00:00 1 Answer 0 views 0

Answers ( )

    0
    2021-10-12T03:22:57+00:00

    Answer:

    2

    Step-by-step explanation:

    sin²a + cos²a + sec²a – tan²a

    sin²a + cos²a = 1

    1 + tan²a = sec²a

    So, sec²a – tan²a = 1

    sin²a + cos²a + sec²a – tan²a

    = 1 + 1 = 2

Leave an answer

45:7+7-4:2-5:5*4+35:2 =? ( )