chose the correct option and justify your choice : 1 - tan? 45°
1 + tan? 450
(A) tan 90°
(B) 1
(C) sin 45°
(D).O
Answers
Answered by
0
Answer:
0 should be the answer.....
Answered by
1
Answer:
0 zero
Step-by-step explanation:
(1-tan45)(1+tan45)
= (1-1)(1+1)
= (0)(1)
= 0
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