Math, asked by partu4631, 9 months ago

Find the value of sec square 42 degree -cot square 48 degree

Answers

Answered by devrishabh3387
1

Answer:

1

Step-by-step explanation:

Sec²42-cot²48

Sec²42-cot²(90-42)

Sec²42-Tan²42

1                          (Sec²θ=1+Tan²θ)

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