3 years ago

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

Mathematics

1 answer:

Artemon [7]3 years ago

5 0

Answer:

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

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