Question

sin^30+cos^60-tan^45 calculate the value
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Answer 1

Step-by-step explanation:

sin30=1/2.......=>sin²30°=1/4

cos60=1/2 ....=>cos²60°=1/4

tan45=1.........=>tan²45°=1

sin²30°+cos²60°-tan²45°

1/4+1/4-1

2/4-1

1/2-1

-1/2