Math, asked by Krenuka5320, 10 months ago

Which is greater sin( 2690 ○) or cos ( 361 )

Answers

Answered by srisaisagarteja
4

Step-by-step explanation:

sin(2690)

sin(2520+170)

sin(170)

sin(90+80)

cos(80)

cos(361)

cos(360+1)

cos(1)

we know that cos is decreasing function

( cos A is greater than cos B ,where A>B)

Therefore cos(1)>cos(80)

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