what is the value of cos(36π) and tan(51π/2)?
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Answer:
Step-by-step explanation:
cos(36π)
cos( 18*2π+0)
=cos 0=1
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tan(51π/2 )
=tan (25π+π/2)
=tan(12*2π +π+π/2)
=tan( π+π/2)
hence angle is in II quadrant so value of tan is +ve
=tan π/2=∞
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