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

User Sukhjinder
by
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1 Answer

6 votes

Answer:

2

Explanation:

sin²a + cos²a + sec²a - tan²a

sin²a + cos²a = 1

1 + tan²a = sec²a

So, sec²a - tan²a = 1

sin²a + cos²a + sec²a - tan²a

= 1 + 1 = 2

User Mugentoki
by
7.4k points

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