What is sec theta minus one?

What is sec theta minus one?

Answer: secθ−1=(√2–1)tanθ

What does Sec 2 theta equal?

TRIGONOMETRIC IDENTITIES

a)	sin2θ + cos2θ	1.
b)	1 + tan2θ	sec2θ
c)	1 + cot2θ	csc 2θ
a’)	sin2θ	1 − cos2θ.
	cos2θ	1 − sin2θ.

Is SEC 2x 1 an identity?

Monzur R. Yes, sec2−1=tan2x is an identity.

Does secant squared equal 1 over cosine squared?

I get 1 plus sine squared theta over cosine squared theta, that’s tangent squared theta. and 1 over cosine squared theta is secant squared theta. This is another very useful identity.

What is secant squared theta minus tan squared theta?

R D Sharma – Mathematics 9 Now if we consider an angle θ, then sin θ=1/cosec θ, cos θ=1/sec θ, tan θ=1/cot θ and vice-versa. Hence the value of sec²θ-tan²θ is 1.

What is the formula of 1 sec theta?

There are three reciprocal trigonometric functions, making a total of six including cosine, sine, and tangent. The reciprocal cosine function is secant: sec(theta)=1/cos(theta). The reciprocal sine function is cosecant, csc(theta)=1/sin(theta).

How do you find sec and cot?

The cotangent of x is defined to be the cosine of x divided by the sine of x: cot x = cos x sin x . The secant of x is 1 divided by the cosine of x: sec x = 1 cos x , and the cosecant of x is defined to be 1 divided by the sine of x: csc x = 1 sin x .

What is cos theta minus 1?

π
The exact value of arccos(−1) is π .

How do you find Sec 2 theta?

Sec squared formula

1. ⁡ θ = 1 + tan 2 ⁡
2. ⁡ θ − tan 2 ⁡
3. ∴ sec 2 ⁡ θ = 1 + tan 2 ⁡

What is SEC equal to?

1 cos x
The secant of x is 1 divided by the cosine of x: sec x = 1 cos x , and the cosecant of x is defined to be 1 divided by the sine of x: csc x = 1 sin x . = tan 5π 4 .