Question

7. Express sin 67° + cos 75° in terms of trigonometric ratios of angles between 0 and 45°

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Answer 1

Answer:

sin67° + cos75°

sin ( 90° - 67° ) + cos 75°

= 1+1 = 2

Answer 2

Answer:

Step-by-step explanation:

Sin 67 +cos 75

Sin(90-23)+cos(90-15)

Cos23+sin15 are the angles between 0to45