Math, asked by sonuk80024, 1 year ago

evaluate-sin²75°-sin²15°​

Answers

Answered by rishu6845
2

Answer:

sin^2(75)-sin^2(15)

=sin(75+15) sin(75-15)

=sin90 sin 60

=(1)(√3/2)=√3/2

formula used

sin^2A-sin^2B=sin(A+B)sin(A-B)

Answered by Anonymous
7

Answer:

Step-by-step explanation:

sin^2(75)-sin^2(15)

=sin(75+15) sin(75-15)

=sin90 sin 60

=(1)(√3/2)=√3/2

formula used  

sin^2A-sin^2B=sin(A+B)sin(A-B)

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