The value of 1-tan² 45/ 1+ tan² 45 is equal to
(a) tan 60
(b) tan 30
(c) sin 45
(d) tan 0
Answer :
1-tan² 45/ 1+ tan² 45
1-1/1+1
0/2
1-tan² 45/ 1+ tan² 45 = 0
tan 0
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