4. x = 7 sin 45 = 7/root (2) , y = 7 cos 45 = 7/root (2)

5. x = 10 tan 45 = 10 , y = 10 sec 45 = 10 root(2)

6. x = 7 cot 45 = 7 , y = 7 cosec 45 = 7root (2)

7. x = 20 cot 60 = 20/root (3) , y = 20 cosec 60 = 40/root(3)

8. x = 20 cos 60 = 10 , y = 20 sin 60 = 10 root (3)

9. x = 20 sec 60 = 40, y = 20 tan 60 = 20 root (3)

I hope that you got the answers of all your question .... root (3) = 1.732 and root (2) = 1.414

Just multiply where ever it is appearing with the number Such as

5. y = 10 root (2) = 10 * 1.414 = 14.14

If satisfied please select mine as best

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