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Sec A -Tan A = 1/16… (1) As we know that- Sec² A - Tan² A = 1… (2) (Sec A – Tan A) (Sec A +Tan A) =1 1/16(Sec A +Tan A) = 1 Sec A +Tan A = 16… (3) Equation (3)- equation (1) Sec A +Tan A - Sec A +Tan A = 16 -1/16 2TanA =255/16 Tan A = 255/32 Cot A =32/255
Find the value of sin265o + sin225o + cos235o + cos255o.
...If sin θ + cos θ = 1.2, find the value of sin θ. cos θ.
What is the value of cos75°?
What is the value of cos [(180 – θ)/2] cos [(180 – 9θ)/2] + sin [(180 – 3θ)/2] sin [(180 – 13θ)/2]?
Simplify the following trigonometric expression:
12 cos 68o cosec 22o - 3 cot 72o cot 18o
A person is standing at a point 120 meters away from a tower. The angle of elevation to the top of the tower is 60°. If the height of the tower increas...
If sin3A = cos(5A-30°), then what is the value of A? Given that 3A is an acute angle.
If sinAo = (√3/2), then find the value of (sin245o + cos230o) × A ÷ 5 given that 0 < A < 90...
