Mixed Application MCQs
Try the first 5 questions
- 1.
The number of solutions of sin^2(x) - sin(x) - 2 = 0 is:
- 2.
cos^4(x) - sin^4(x) simplifies to:
- 3.
If cos(x) = -1/2 and x in [0, 2*pi), then x is:
- 4.
sin(15) equals (degrees):
- 5.
The value of cos(pi/7)*cos(2*pi/7)*cos(4*pi/7) is:
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