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The value of sin 5°.sin 22°.sin 68°/cos 22°.cos 60°.cos 85° is? |
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Answer» Answer: it's easy Step-by-step explanation: sin5=cos (90-5)=cos85 and sin68=cos(90-68)=cos22 these can CANCELLED top and bottom GIVING (sin22)/(COS60) =2cos22. |
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