Question

Evaluate - Sin^2 30 +Cos^2 60-tan^2 45​

Answer 1

Answer:

-1/2

Step-by-step explanation:

Sin^2 30 +Cos^2 60-tan^2 45​

=> 1/4 + 1/4 - 1

=> 1/2 - 1

=> -1/2

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