Question

Please answer it. Trigonometry lesson ​

Answer 1

Answer:

(I) cos 47 = sin 43

(ii) sin 43 = cos 47

(iii) (1/2)^2 + (√3/2)^2 = 1

(iv) (1/√2)^2 + (1/√2)^2 = 1

(v) 1

Step-by-step explanation:

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