Evaluate: 10. 1-cot²45°/1+sin²90°
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Answered by
0
Step-by-step explanation:
the the answer to this trigonometric question is '0'.
Answered by
6
Answer : 1-cot²45°/1+sin²90° = 0
Step-by-step explanation:
We know, cot45° = 1 and sin90° = 1
(1 - cot²45°) / (1 + sin²90°)
= (1 - 1^2) / (1 + 1^2)
= (1 - 1) / (1 + 1)
= 0/2
= 0
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