Question

Prove that:
sec^2 (45° +0) - cot^2(45°- 0) /
sin (60° +0). sec (30° - 0)
= 1.

Answer 1

Answer:

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Step-by-step explanation:

Answer 2

Answer:

Solution

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We have,

cos

2

45

∘

sin60

∘

−cot30

∘

+15cos90

∘

=

(1/

2

)

2

2

3

−

3

+15×0=

3

−

3

+0=0