Math, asked by vachansomshekar, 2 months ago

Evaluate the following:-

1) cosec² 45° + tan² 45° - 3 . sin² 90°
2) cos 60°. cos 30° - sin 60°. sin 30°

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Answers

Answered by Anonymous
0

Answer:

1) 2+1-3=0

is the answer

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