Question

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Answer 1

Answer:

sin (90-Φ)=cos Φ

sec(180-Φ)= -sec Φ

sin( -Φ)= -sin Φ

sin (180+Φ)= -sin Φ

cot (360 -Φ)= cot Φ

cosec (90+Φ) = cosec Φ

putting these values in the question.... we get

putting these values in the question.... we get cos Φ(-sec Φ)(-sin Φ)/(-sinΦ)(cot Φ)(cosec Φ).....

we know that cos Φ and sin Φ get cancelled out in the numerator and sin Φ get cancelled out by cosec Φ in the denominator...

then we will left out with the answer...

-sinΦ/cot Φ...

cot Φ = sinΦ/cos Φ

cot Φ = sinΦ/cos Φ......the answer will be

-sin^2Φ/cos Φ

Step-by-step explanation:

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