Math, asked by kjeidlhuber, 3 months ago

Show the following is true
sin(3pi/2-x)=-cosx

Answers

Answered by pragati3652
0

Step-by-step explanation:

sin (3π/2-x)=sin(270-x)

we know that the function change at 90 and 270

and( 270-x) is in third Cartesian level,then

sin(270-x)=-cosx

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