Math, asked by gowrikar123, 3 months ago

the value of cos square 170 degree minus sin square 73 degree is

Answers

Answered by suvendu7063242271

2

Answer:

0

Step-by-step explanation:

We have,

Cos² 17° - Sin² 73°

= Cos²(90° - 73°) - Sin²73°

=Sin²73° - Sin²73°

=0

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