- G.P
- A.P
- Geometric series
- arithmetic series
Categories
Category: Mathematics
Categories
1 radian =
- 57°17′45″
- 1°
- 180°
- 180′
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1 + tanαtan2α =
- −sec2α
- −cosec2α
- cosec2α
- sec2α
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1 + tan²2θ =
- sec²θ
- csc²θ
- csc²2θ
- sec²2θ
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1 + cot²2θ/2 =
- sec²θ
- csc²θ
- csc²2θ
- sec²θ/2
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1 – tanθtanphi/1 + tanθtanphi =
- cos(θ+phi)
- cos(θ-phi)
- cos(θ+phi)/cos(θ-phi)
- None of Above
Categories
1 – cosα/sinα =
- tanα/2
- −tanα/2
- −cotα/2
- None of Above
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1 – cos6α =
- 3sin²α
- 2sin²3α
- 3sin²3α
- 2sin²2α
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1 – cos4α =
- 2sin²α
- 4sin²α
- 4cos²α
- 2sin²2α
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cos3α =
- 2cos²(3α/2)
- 2sin²(3α/2)
- 3/2 cos²(3α/2)
- 2sin²2α