The diameter of a wheel of a car is 63 cm . How much will cover in 2000 revolutions
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Answer:
Trigonometric Proof.
Step-by-step explanation:
L.H.S:
cot(90-x)/tanx +cosec(90-x)sinx/tan(90-x)
=tanx/tanx + secxsinx/cotx
= 1 + 1/cosx.sinx.sinx/cosx
=1 + sin square x/cos squarex
=cos square x + sin square x/ cos square x
= 1/cos square x
= sec square x
= RHS (Hence Proved)
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