Question

​Evaluate : sec square 37 - cot square 53.tan 21.tan 69 - sin 51.cos49 - cos 51.sin 49

Answer 1

sec^237-cot^2(90-37).tan(90-69).tan69-sin(90-49).cos49-cos(90-49).sin49
sec^2 37-tan37.cot69tan69-(sin^249+cos^2 49)
1-1=0

Answer 2

Answer:

hey mate

Step-by-step explanation:

here's your answer in the attachment

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