solve sin 18/cos72 =
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Answered by
2
sin(18°) = sin(90°- 72° )
= cos72°
putting value of sin18°
=cos72°/cos72°
=1
Answered by
2
Answer:
1
Step-by-step explanation:
sin18 = cos(90-18)
=>cos72
Therefore, cos72/cos72=1
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