Question

Without using trigonometric tables, evaluate the following (6 to 10):
6. (i) cos2 26° + cos 64º sin 26° +
tan 36°
cot 54°​

Answer 1

cos^2 26+cos 64 sin 26+tan 36/cot 54

cos^2 26+sin(90-64) sin 26+tan 36/tan (90-54)

cos^2 26+sin26 sin26+tan 36/tan 36

cos^2 26+sin^2 26+1

1+1

2

I hope it helps

Answer 2

Step-by-step explanation:

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