tanA = tanB + tanC
Answer:
You need to know these following things to be able to solve such questions and get the value of given compound angles.
cosec x= 1/sin x
Sec x= 1/cos x
Cot x= 1/tan x
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If A+B+C =π and cosA = cosB.cosC, prove that: tanA = tanB + tanC. | Prove | Trigonometric Ratios of Compound Angles | Trigonometry | Sci-Pi
If A+B+C = π and cosA = cosB.cosC, prove that:
You need to know these following things to be able to solve such questions and get the value of given compound angles.
cosec x= 1/sin x
Sec x= 1/cos x
Cot x= 1/tan x
You need to know these following things to be able to solve such questions and get the value of given compound angles.
cosec x= 1/sin x
Sec x= 1/cos x
Cot x= 1/tan x
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