Math, asked by kanishkakashyap794, 4 months ago

21. Evaluate the following : 2 tan^2 45 degree+cos^2 45 degree - sin^2 60 degree

Answers

Answered by vipashyana1

1

Answer:

3/4

Step-by-step explanation:

2tan²45°+cos²45°- sin²60°

2(1)²+(1/√2)²-(√3/2)²

2+1/2-3/4

(4+2-3)/4

3/4

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