Class 11MathematicsTrigonometric FunctionsMix Examples-Trigonometrical Ratios, Functions and Identities
Mediumજો $\tan A+\tan B+\cot A+\cot B=\tan A \tan B-\cot A \cot B$ અને $0^{\circ} < A+B < 270^{\circ}$ હોય,તો $A+B=$ ($^{\circ}$ માં)
- A$45$
- B$135$
- C$150$
- D$225$
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