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Part C - Communication Full marks will be given only for if all steps are shown[COM - 10

marks]

1. Sketch a graph of for two cycles.

y=

y = ³3 sin[2(x-7) - 1

X-

2. Prove each identity. ✔✔✔✔✔

a) sin x cos x tan x = 1 - cos²x

b) tan²x sin²x = tan²x - sin²x

Fig: 1