If a - - - 0- then sin a - 2- can be

The correct option is C cosβ Since ( #945;+ #946;) = 0 #8658; ( #945;+ #946;) = 90^∘ Therefore, ( #945; + #946;) = 90^∘ #160 ...

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Principal Solution of Trigonometric Equation

If a + β = ...

Question

If $cot (a + β) = 0,$ then $sin (a + 2 β)$ can be

- sin a

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sin β

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cos a

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cos β

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Solution

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Similar questions

If sin a +sinß =0= cos a+cos ß, where 0<ß<a<2π, then which one of the following is correct?

a) a = π - ß

b) a = π + ß

c) a = 2π - ß

d) 2a = π + 2ß

sin a = \frac{3}{5}, cos β = \frac{5}{13},

sin (a + β)

1

0

α

β

tan α = \frac{1}{7}, sin β = \frac{1}{\sqrt{10}}

sin (A + B) = sin A cos B + cos A sin B,

(α + 2 β)

c o s α + c o s β + c o s γ = s i n α + s i n β + s i n γ = 0

c o s (β + γ) + c o s (γ + α) + c o s (α + β) = 0

s i n (β + γ) s i n (γ + α) + s i n (α + β) = 0

\sqrt{\frac{1 - sin A}{1 + sin A}} + \frac{sin A}{cos A} = \frac{1}{cos A}

A

A

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