Question

evaluate cos theta/sin(90 degree -theta) + sin theta/cos(90 degree -theta)

Answer 1

Answer:

Answer is 2

Step-by-step explanation:

sin(90 degree -theta)= cos theta and,

cos(90 degree -theta)= sin theta

therefore,

cos theta/cos theta+ sin theta /sin theta = 1+1 = 2

Answer 2

Answer:

2

Step-by-step explanation:

Formula that would be used here are:

sinθ = cos(90-θ) and cosθ = sin(90-θ)

Now, E = (cosθ/sin(90-θ))  +   (sinθ/cos(90-θ))

With the help of formula, we can write that:

E = (cosθ/cosθ) + (sinθ/sinθ)

Now, cosθ/cosθ = 1 and sinθ/sinθ = 1

∴ E = (1) + (1)

= E = 2

Hope, you got it:-))

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