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1) because sin is equals two perpendicular ÷ hypotenuse and perpendicular is always smaller than hypotenuse so it is not possible that sin is greater than 1 same case in cos also cos is equals to base divided by hypotenuse and base is always smaller than hypotenuse so it is
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Step-by-step explanation:
7)the value of sinA as well as CosA is always less than 1 because it goes back to the definition (one of many) that for a right triangle, the sine is the opposite side divided by the hypotenuse. Due to this, side is always ≤ the hypotenuse, the ratio has to be ≤ 1.
8 see 8n attachment.
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