Question

Find the value of 8sec²theta-8tan²theta​

Answer 1

Answer:

Ans. 8

Step-by-step explanation:

8 sec²0 – 8 tan²0

8 ( sec²0 – tan²0)

8 ( 1 )

since, sec²0 – tan²0 = 1

8 Ans.

here 0 = thetha

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Answer 2

The value of 8sec²θ - 8tan²θ = 8

Correct question : Find the value of 8sec²θ - 8tan²θ

Given :

The expression 8sec²θ - 8tan²θ

To find :

The value of the expression

Formula Used :

We are aware of the trigonometric identity that

sec²θ - tan²θ = 1

Solution :

Step 1 of 2 :

Write down the given expression

Here the given expression is 8sec²θ - 8tan²θ

Step 2 of 2 :

Find the value of the expression

8sec²θ - 8tan²θ

= 8(sec²θ - tan²θ)

= 8 × 1 [ ∵ sec²θ - tan²θ = 1 ]

= 8

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