Question

evaluate cosec(65°+Θ) - sec(25°-Θ) - tan(55°-Θ) + cos(35+Θ)

Answer 1

Answer:

cosec (65 + θ ) = sec (90 – (65 + θ )) = sec (25 – θ ) tan (55 – θ ) = cot (90 – (55 – θ ) = cot (35 + θ ) ⇒ sec (25 – θ ) – sec (25 – θ ) tan (55 – θ ) + tan (55 – θ ) = 0

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Answer 2

Answer:

I think that the cos in the question is cot.

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