### TRIG IDENTITIES

Mr Morrison

Reciprocal Identities, Pythagorean Identities,Quotient identities, CO-Function identities, Even odd identities, Sum difference formulas, Double angle identities

 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

Across
1.2 cos^2 u - 1
5.(2 tan u)/(1 - tan ^2 u) =
7.1 + cot^2 u=
8.(cos u) / (sin u) =
9.sin(u + v) =
12.1 + tan^2 u =
13.sin (pi/2 - u) =
15.cos(u + v)=
16.1- 2sin^2 u
17.co^2 u - sin^2 u
19.2 sin u cos u
20.sin(-u) =
22.(tan u + tan v)/ (1 - tan u tan v) =
23.1 / tan u) =
24.1/(cos u) =
25.sin^2 u + cos^2 u =
Down
2.sin(u - v) =
3.sin u/cos u =
4.1/(sin u) =
6.1/sec u =
8.cos(u - v)=
10.csc(-u) =
11.cos (pi/2 - u) =
14.cot(-u) =
17.tan(pi/2 -u) =
18.1/(csc u_) =
21.csc(pi/2 -u) =

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