4 years ago

(1+2sin acos a):sin a+cos a=?

1 answer:

6 0

Yuck, trig. I'm doing college trig at this very moment.

the top half (1+(2sinθ)cosθ)=1+sin(2θ)
because 2sinθcosθ=sin(2θ) is an identity

$\frac{1+sin2θ}{(sinθ) (cosθ)}$

Using polynomial division your answer becomes:
(csc θ)(sec θ)+2

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(1+2sin acos a):sin a+cos a=?