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Abhishek Shah

· started a discussion

· 1 Months ago

1/sin = cosine ....haha (Question: 286866.0 )

cosec and cosine khud clear kar lo concept

Question:

Simplify – (sin θ  + sec θ )2 + (cos θ  + cosec θ)2.

Options:
A)

(1 + sec θ)2

B)

(1 + cosec θ)2

C)

(1 + cosin θ. sec θ)2

D)

(1 – cosin θ . sec θ)2

Solution:

Ans: (c)

  

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