root 5. Sin 18°/ Cos 72°
Answers
Answered by
2
Answer:
✓5
Step-by-step explanation:
√5.sin18°\cos72°
√5cos72°\cos72°
√5×1
√5
aditya0082:
thanks
Answered by
1
Answer:
= √5.sin 18°/cos(90°-18°)
= √5.sin 18°/sin18°
= √5.1
= √5
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