4 a) What is the value of cos 30 What is the value of sin 60 b) Explain why cos 30 and sin 60 are related in this way (You may want to draw a triangle with these angles to help you ) c) Using this relationship, fill in the blanks in the chart below sin 10 cos sin cos 40 sin x cos 4 a) What is the ...

a The value of cos 30 is 32 The value of sin 60 is 32 b In a right triangle if one angle is ...

4. a) What is the value of cos 30 ? What is the value of sin...

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4. a) What is the value of cos 30 ? What is the value of sin...

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