3. Which is not correct formula ? (A) 1 + tan²0 = sec20 (C) cosec20 - cot20 = 1 - (B) 1 + sec20 = tan20 (D) sin20 + cos20 = 1
Answers
Answered by
1
Answer:
option B
Step-by-step explanation:
bcoz sec²0-tan²0=1 it should be sec²0-1=tan²0
Answered by
1
Answer:
(B) is wrong formula
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