Is it true sin 90°= 2 tan 45°/ 1+tan2 45°
Answers
Answered by
11
2tan45/1+tan^245
= 2×1/1+1^2
=2/2
=1
=sin90
= 2×1/1+1^2
=2/2
=1
=sin90
Najminsultana:
Therefore it is true
Answered by
5
Answer:
1
Step-by-step explanation:
2 tan 45÷ 1+ tan^2 45
2*1 ÷1+1^2
2÷2
=1
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