Asked by araima2001 | 28th Jan, 2017, 08:58: PM
Answered by Rebecca Fernandes | 30th Jan, 2017, 12:48: PM
- cos square (60-x) +cos square (60+x) belongs to
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- Pls solve.
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- a+b=3-cos4x and a-b=4sin2x, then ab is always less or equal to?
- Solve for x 3tanx + cotx = 5cosecx
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