Period of `sin^2 theta` is(A) `pi^2` (B) `pi` (C) `2pi` (D) `pi/2` - YouTube
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sin(pi/2 + x) | sin(pi/2 + theta) - YouTube
a) State the sign of cos t in the following interval: (3pi/2, 2pi). b) state the sign of cos t in the following interval: (pi/2, pi). | Homework.Study.com
If theta = pi/2, determine the exact value of sin theta. | Homework.Study.com