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- 1. Fill in the Blank
Find the value of
14 sin 30° + 6 cos 60° - 5 tan 45°
- 2. Fill in the Blank
If sin ( A+B)= cos ( A-B)= √ 3 / 2
Then A = ___ B = _____
- 3. Fill in the Blank
If 2 cos 3A = 1 then find the value of A = _____ and the sec 3A = ____
- 4. Fill in the Blank
If A = 60° and B = 30° then find the value of
sinA cosB - cos A sinB - sin B
- 5. Fill in the Blank
If 2 cos(3x-15) = 1
find the value of x
- 6. Fill in the Blank
Find value of
3 sin² 30° + 2tan² 60° - 5 cos² 45°
- 7. Fill in the Blank
If A= 30° find the value of
4 cos³ A - 3 cos A - cos 3A
- 8. Fill in the Blank
If (sec A - 2) ( tan 3 A - 1) = 0
Then value of A = ____ or ______
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