what is the value of (sec²67° - cot²23°)
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SOLUTION :
Trigonometry Identity and Ratio !
✏ Cosec² θ- Cot ²θ= 1
✏ Sec²θ - tan² θ= 1
✏ Sec (90-θ) = Cosec θ
✏ tan²θ = Sec²(90-θ)
Now, According to the Question!
✒ sec²67° - cot²23°
✒ Sec²67° - Cot²(90-67° )
✒ Sec²67° - tan²67°
✒ 1 [ •°• Sec²θ - tan²θ ]
Therefore, Value of sec²67° - cot²23° is 1.
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