sin 250 + cos 250
Prove that
= tan 110° = -cot 20°
sin 25° - cos 25°प्रदर्शन 25 डिग्री प्लस कोर्स 25 डिग्री अपॉन साइन 25 डिग्री माइनस कॉस 25 डिग्री इज इक्वल टू 110 डिग्री इज इक्वल टू माइनस 14 डिग्री
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Step-by-step explanation:
tan(110)°=tan(90+20)°
= -cot 20°
because tan is negative in second quadrant and into cot at horizontal line
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