Question

ove that 1 + 3 sino - 4sin' 1 - sind = (1 + 2 sino)​

Answer 1

Answer:

Pattern: Sum of two different inverse trigonometric functions

Description: To find the value of x, y or z when the sum (or difference) of two or more inverse trigonometric functions is given we use the property

sin

−1

x+cos

−1

x=

2

π

tan

−1

x+cot

−1

x=

2

π

sec

−1

x+cosec

−1

x=

2

π

Questions can be asked to evaluate an expression in x and y.