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If `cos^(-1)x+cos^(-1)y+cos^(-1)z=pi` , then
If `cos^(-1)x+cos^(-1)y+cos^(-1)z=pi` , then
แสดงข้อมูลเพิ่มเติม 1
If `cos^(-1) x + cos^(-1) y + cos^(-1) z = pi ` , then
If `cos^(-1)x+cos^(-1)y+cos^(-1)z=pi` , then
If cos^-1(x) + cos^-1(y) + cos^-1(z) =pi then prove that x^2+y^2 +z^2 +2xyz =1
If `cos^(-1)x+cos^(-1)y+cos^(-1)z=pi`, then
If cos ^-1x + cos ^-1y + cos ^-1z = pi , then prove that x^2 + y^2 + z^2 + 2xyz = 1 Inverse Trigo
यदि `cos^(-1)x+cos^(-1)y+cos^(-1) z = pi`, तब सिद्ध कीजिए - `x^(2)+y^(2)+z^(2)+2xyz=1`.
If `cos^(-1)x+cos^(-1)y+cos^(-1)z=pi` then | Class 11 Maths | Doubtnut
If `cos^(-1)x+cos^(-1)y+cos^(-1)z=pi` , where `-1 lt=x,y,z lt=1`, then find the value of `x^2+y...
If ` cos^(-1) x + cos^(-1) y + cos^(-1) z = pi" , prove that " x^(2) + y^(2)+ z^(2) + 2xyz = 1`.
Example 4 if cos^-1(x)+cos^-1(y)+cos^-1(z)=π show that x^2+y^2+z^2+2xyz=1
if 'cos^-1x+cos^-1y+cos^-1z=pi 'then prove that x^2+y^2+z^2+2xyz=1 || prove that x^2+y^2+z^2+2xyz=1
If `cos^(-1) x + cos^(-1)y + cos^(-1)z = 0` , then which of the following is correct ?
🔴If Cos(inv)x + Cos(inv)y +Cos(inv)z = pi. Then Prove | x²+y²+z²+2xyz=1 | | Inverse Trigonometry |.
if ` cos^(-1)x+cos ^(-1)y+cos^(-1) z=pi` prove that ` x^(2) +y^(2)+z^(2) +2xyz=1`
If cos ^-1 x+cos ^-1 y+cos ^-1 z=π, then x^2+y^2+z^2+ 2 x y z is equal to (a) -1 (b) 0 (c) 1
If cos^(-1)x+cos^(-1)y+cos^(-1)z=3pi, then xy+yz+zx is equal to: | CLASS 12 | SAMPLE PAPER 2 | M...
If cos ^-1 x+cos ^-1 y+cos ^-1 z=3 π then the value of x y+y z+z x is (a) -3 (b) 1 (c) 3 (d) none...
If cos^(-1)x + cos(-1)y+cos^(-1)z = pi , prove that x^2 + y^2 + z^2 + 2xyz = 1||Class12th math|| itf
If cos^(-1)x + cos^(-1)y - cos^(-1) z = 0, then show that x^(2) + y^(2) + z^(2) - 2xyz = 1 | CL...
If `cos^-1 x+cos^-1 y+cos^-1 z=pi and x+y+z= 3/2, ` then prove that `x=y=z`
