Select the INCORRECT formula from the following options

If 4sin²θ = 3(1 + cosθ ), 0° < θ < 90° Then what is the value of √15tanθ + \(\frac{4 }{√15}\)sinθ  + 2secθ ?

Find the value of (1 + cotA - cosecA) (1 + tanA + secA)-3(sin²A + cos²A)

If sin\(\theta=\frac{2xy}{x^2+y^2}\), then the value of tan\(\theta\) is:

If 12sin² A + 2cos² A = 7. where 0 < A < 180°. Then cot A is:

(1 - cos²A) sec²A is equal to:

If cot A = 7, then the value of \(\frac{5cosA+4sinA}{cos^3A+7sin^3A+6sinA}\)is:

If tan(A + B) = √3 and tan (A - B)= \(\frac{1}{\sqrt{3}}\); 0º < (A + B) < 90º; A > B, then the values of A and B are respectively.

If √13 sinθ = 2, then the value of \(\frac{3tanθ + √13sinθ}{√13cosθ - 3tanθ}\) is:

Find the exact value of cos 120°.

If sec² α + cos² α = 5/2 and 0° ≤ α ≤ 90°, then find the value of α.

If tan θ + cot θ = 6, then the value of tan²θ + cot²θ is ____ .

If a cot ø + b cosec ø = p and b cote ø + a cosec ø = q then p² - q² is equal to______.

Evaluate the following.

sin 25° sin 65° – cos 25° cos 65°.

(sin ø + cosec ø )² + (cos ø + sec ø )² = ?

If (sin x + sin y) = a and (cos x + cos y) = b, then find the value of (sin x sin y + cos x cos y).

Find the value of cosecθ (1 − cosθ) (cosecθ + cotθ).

If sin α = \(\frac{5}{13}\) then the value of cosα . cosecα . cotα is

Cosec (90 - θ) = ?

If sin A+ sin² A = 1 , then the value of cos⁴ A + cos⁶ A is:

If Sin x = 4/5, then Sec²x - 1 = ?

If sin θ \(=\frac{1}{2}\), then the value of (3cos θ - 4 cos³ θ) is:

Simplify the following.

cot13°.cot27°.cot45°.cot63°.cot77° = ?

If cot A = 15/8, then what will be the value of tan 2A?

What is the value of \({{cos37°} \over sin53°}?\)

Find the value of \(\frac{\cos37^0}{\sin53^0}\) - cos47° cosec 43°

If tan A = \(\frac{4}{3},0 ≤ A ≤ 90°,\)then find the value of sin A.

If cot B = 9, then what will be the value of sec² B?

What is the value of cos²15°?

If cosA = \(\frac{1}{11}\), then find the value of cot A.

The value of \(\sqrt{{1+cosA} \over 1-cosA}\)   is:

Δ ABC is a right - angle triangle at B. If tan A = 5/12, then sin A + sin B + sin C will be equal to:

If sin q + cos q  = \(\frac{(√3-1)}{(2√2)}\) then what is the value of tan q + cotq ?

If θ is an acute angle and tanθ + cotθ = 2, then the value of tan²θ + cot²θ + 2 tan⁵θcot⁴θ is:

In a right-angled triangle PQR, right-angled at Q, the length of the side PR is 17 units, length of the base QR is 8 units, and length of the side PQ is 15 units. If ∠RPQ = α, then sinα + cosα is:

If tan A = \(\frac{2}{3}\), then what is the value of the following?

\((5 sin^2 A - 2 cos^2A) \div(15sin^2A + 3cos^2A)\)

Find the value of sin(90^o - 2θ) + 1

Find the value of \({{cos 65°} \over sin25°}\) + \({{5sin19°} \over cos 71°}\) - \({{3cos 28°} \over sin62°}\)

\(\cos^235^ \circ + \cos55^ \circ.\sin 35^\circ + \frac {\tan 34^\circ}{\cot 56^\circ}\) = _________________

The value of (1+ sin⁴A - cos⁴A) cosec²A is:

What will be the value of sin 10° – 4/3 sin³ 10°?

In the right-angled triangle, ABC, \(\angle \)B = 90° and angle A and angle C are acute angles. If cosecA = \(2\sqrt{2}\), then find the value of sinA . cosC + cosA . sinC.

If cot θ = \({{4} \over 3}\), 0 < θ < 90°, 5pcos²θ sinθ = cot²θ, then the value of p is:

If θ is an acute angle and sin θ + cosec θ = 2, then the value of sin⁵θ + cosec⁵θ is:

If cos A = \({15{} \over 17}\), 0 < A < 90°, then the value of Cot(90° - A) is:

Find the value of tan 3θ if sec 3θ = cosec (4θ - 15˚).

What will be the value of cos x cosec x – sin x sec x?

sin²90^o + cosec²90^o - cot²45^o = ?

Solve the following to find its value in terms of trigonometric ratios.

(sin A + cos A)(1 – sin A cos A)

Find the value of (tan² θ + tan⁴ θ).