Question

14. IF 2 sin 20 = 73, find the value of Os 20
15.1f sin 0 + cos 0 = m sec 0 + coseco = n, then prove that n\m-1)=2m
tan 0 + sin sec 0+1
16. Prove that tan 0-sin0 sec 0-1
2 sin 0-3cos
12, evaluate 4sin 0-9 cos.
tan A tan A
- = 2 cosecA
18. Prove that sec A-1 sec A+1
17. If coseco = 13
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Answer 1

Answer:

Question 1 is wrong kindly check once